Primary Health Insurance Research Articles

Population‐based comparison of laparoscopic and open pyeloplasty in paediatric pelvi‐ureretic junction obstruction

To describe the extent of use and in-hospital outcomes of open and laparoscopic pyeloplasty for paediatric pelvi-ureteric junction (PUJ) obstruction in the USA. Using the 2004-2008 Nationwide Inpatient Sample, we identified 4590 paediatric patients (≤18 years old) who underwent open or laparoscopic pyeloplasty for PUJ obstruction at 195 hospitals. Multivariable regression models were used to test the associations between hospital and patient covariates (age, gender, race, primary health insurance), type of admission (emergent vs elective), and hospital characteristics (teaching vs non-teaching status; rural vs urban location) with complications, length of stay (LOS), and total hospitalization costs. During the 5-year study interval, 4426 (96.4%) and 164 (3.6%) paediatric patients diagnosed with PUJ obstruction underwent open and laparoscopic pyeloplasty, respectively. The proportion of patients undergoing laparoscopic pyeloplasty gradually increased from 2.4% in 2004 to 4.4% in 2008, but this increase was not significant (P = 0.22 for trend). On multivariable analysis, laparoscopic pyeloplasty was observed to have rates of postoperative complications (2.51 vs 5.00; P = 0.67), LOS (2.42 vs 2.75; P = 0.33) and total hospitalization cost ($9755 vs $8537; P = 0.24) similar to those of open pyeloplasty. While laparoscopic pyeloplasty was generally an infrequent operation performed for paediatric PUJ obstruction during the period studied, this minimally invasive surgery provided similar outcomes in terms of in-hospital complications, LOS and total hospitalization costs. The results of this study inform policymakers about the comparative effectiveness of laparoscopic and open pyeloplasty.

Population‐based trends in urinary diversion among patients undergoing radical cystectomy for bladder cancer

What's known on the subject? and what does the study add?: Variations in the type of urinary diversion exist for patients undergoing radical cystectomy. Although its use has been increasing from 2001 to 2008, patients who are older, female, and primary insured by Medicaid are less likely to receive continent diversions. Furthermore, patients treated surgically at high-volume and teaching hospitals are more likely to receive continent diversions. To describe the contemporary trends in urinary diversion among patients undergoing radical cystectomy (RC) for bladder cancer; and elucidate whether socioeconomic disparities persist in the type of diversion performed in the USA from a population-based cohort. Using the Nationwide Inpatient Sample, we identified patients who underwent RC for bladder cancer between 2001 and 2008. Multivariable regression models were used to identify patient and hospital covariates associated with continent urinary diversion and enumerate predicted probabilities for statistically significant variables over time. Overall, 55635 (92%) patients undergoing RC for bladder cancer received incontinent urinary diversion, while 4552 (8%) patients received continent diversion from 2001 to 2008. Receipt of continent urinary diversion increased from 6.6% in 2001-2002 to 9.4% in 2007-2008 (P < 0.001 for trend). Patients who were older (odds ratio [OR] 0.93; P < 0.001), female (OR 0.52; P < 0.001) and insured by Medicaid (OR 0.54; P = 0.002) were less likely to receive continent urinary diversion. However, patients treated at teaching (OR 2.14; P < 0.001) and high-volume hospitals (OR 2.39; P = 0.04) had higher odds of continent urinary diversion. Predicted probabilities of continent diversion remained lower for female patients, Medicaid insurance status, and non-teaching and medium/low-volume hospitals over time. In this nationally representative sample of hospitals from 2001 to 2008, the use of continent diversion in RC gradually increased. Although variations in urinary diversion exist by hospital teaching status, case volume, patient gender and primary health insurance, increased attention in expanding the use of continent diversions may help reduce these disparities for patients undergoing RC for bladder cancer.

Mediation of the effects of living in extremely poor neighborhoods by health insurance: breast cancer care and survival in California, 1996 to 2011.

BackgroundWe examined the mediating effect of health insurance on poverty-breast cancer care and survival relationships and the moderating effect of poverty on health insurance-breast cancer care and survival relationships in California.MethodsRegistry data for 6,300 women with breast cancer diagnosed between 1996 and 2000 and followed until 2011 on stage at diagnosis, surgeries, adjuvant treatments and survival were analyzed. Socioeconomic data were obtained for residences from the 2000 census to categorize neighborhoods: high poverty (30% or more poor), middle poverty (5%-29% poor) and low poverty (less than 5% poor). Primary payers or health insurers were Medicaid, Medicare, private or uninsured.ResultsEvidence of survival mediation was observed for women with node negative breast cancer. The apparent effect of poverty disappeared in the presence of Medicare or private health insurance. Women who were so insured were advantaged on 8-year survival compared to the uninsured or those insured by Medicaid (OR = 1.89). Evidence of payer moderation by poverty was also observed for women with node negative breast cancer. The survival advantaging effect of Medicare or private insurance was stronger in low poverty (OR = 1.81) than it was in middle poverty (OR = 1.57) or in high poverty neighborhoods (OR = 1.16). This same pattern of mediated and moderated effects was also observed for early stage at diagnosis, shorter waits for adjuvant radiation therapy and for the receipt of sentinel lymph node biopsies. These findings are consistent with the theory that more facilitative social and economic capital is available in low poverty neighborhoods, where women with breast cancer may be better able to absorb the indirect and direct, but uncovered, costs of care. As for treatments, main protective effects as well as moderator effects indicative of protection, particularly in high poverty neighborhoods were observed for women with private health insurance.ConclusionsAmerica’s multi-tiered health insurance system mediates the quality of breast cancer care. The system is inequitable and unjust as it advantages the well insured and the well to do. Recent health care reforms ought to be enacted in ways that are consistent with their federal legislative intent, that high quality health care be truly available to all.

Effects of being uninsured or underinsured and living in extremely poor neighborhoods on colon cancer care and survival in California: historical cohort analysis, 1996—2011

BackgroundWe examined the mediating effects of health insurance on poverty-colon cancer care and survival relationships and the moderating effects of poverty on health insurance-colon cancer care and survival relationships among women and men in California.MethodsWe analyzed registry data for 3,291 women and 3,009 men diagnosed with colon cancer between 1996 and 2000 and followed until 2011 on lymph node investigation, stage at diagnosis, surgery, chemotherapy, wait times and survival. We obtained socioeconomic data for individual residences from the 2000 census to categorize the following neighborhoods: high poverty (30% or more poor), middle poverty (5-29% poor) and low poverty (less than 5% poor). Primary health insurers were Medicaid, Medicare, private or none.ResultsEvidence of mediation was observed for women, but not for men. For women, the apparent effect of poverty disappeared in the presence of payer, and the effects of all forms of health insurance seemed strengthened. All were advantaged on 6-year survival compared to the uninsured: Medicaid (RR = 1.83), Medicare (RR = 1.92) and private (RR = 1.83). Evidence of moderation was also only observed for women. The effects of all forms of health insurance were stronger for women in low poverty neighborhoods: Medicaid (RR = 2.90), Medicare (RR = 2.91) and private (RR = 2.60). For men, only main effects of poverty and payers were observed, the advantaging effect of private insurance being largest. Across colon cancer care processes, Medicare seemed most instrumental for women, private payers for men.ConclusionsHealth insurance substantially mediates the quality of colon cancer care and poverty seems to make the effects of being uninsured or underinsured even worse, especially among women in the United States. These findings are consistent with the theory that more facilitative social and economic capital is available in more affluent neighborhoods, where women with colon cancer may be better able to absorb the indirect and direct, but uncovered, costs of care.

PHP27 Effect of Primary Care Availability and Health Insurance Coverage on Chronic and Acute Preventable Hospitalizations

PHP27 Effect of Primary Care Availability and Health Insurance Coverage on Chronic and Acute Preventable Hospitalizations

Welke cliënten hebben volgens de diëtist voldoende aan vier uur diëtetiek per kalenderjaar?

An insight on the dietitian’s perception about the sufficiency of four hours of dietetics per calendar yearAim: Since 2005, dietetic treatment is reimbursed by the standardized primary health insurance coverage for up to a maximum of four hours per calendar year. The purpose of this study is to give insight on the dietitian’s perception of the factors that are associated with the sufficiency of four hours of dietetics. Methods: In this observational study, 25 Dutch dietitians working in private practices registered patients healthcare-related information in a specific software program. At the end of the years 2006 until 2009 dietitians filled-out in 5612 cases whether four hours of dietetics were sufficient. Data were analyzed using logistic multi-level analysis. Results: According to the dietitian, four hours were insufficient in 21% of the patients (range 1-89%). Four hours were mainly insufficient in females, patients with psychological or intellectual disability, overweight, binge-eating disorder, multiple diagnoses, or overweight with binge-eating disorder or hypertension. On the other hand, four hours of reimbursement a year was often sufficient in elderly patients, patients with the first consultation between July or December, or with a follow-up. Conclusion and discussion: Four hours of dietetics per year are insufficient in a large number of patients. Yet dietitians’ decision making process varied widely regarding the patient’s sufficiency of four hours per year. More research is necessary to outline the causes of these differences. In addition, research is needed in patients with insufficient dietetic reimbursement to examine the results of the treatment and the necessary extra treatment time.

National Burden of Pediatric Hospitalizations for Inflammatory Bowel Disease

: The objective of the present study was to quantify the national pediatric inpatient inflammatory bowel disease (IBD) burden in terms of the number of IBD-related hospitalizations, the number of days spent in the hospital, and hospitalization costs. : Hospitalizations for children and adolescents 20 years and younger with a primary diagnosis of either Crohn disease (CD) or ulcerative colitis (UC) were selected from the 2006 Kids' Inpatient Database (KID). Length of the hospital stay in days (LOS) and charges for the hospitalization were found directly in the Kids' Inpatient Database, and cost was calculated using the hospital's cost-to-charge ratio. Predictor variables included patient characteristics, such as age and severity of illness, and hospital characteristics. Ordinary-least-squares regressions were developed and estimated to explain hospitalization costs. : In 2006, there were 10,777 IBD-related hospitalizations. The total and mean costs for CD were $66.3 million and $10,176 (95% confidence interval [CI] $9647-$10,705), and for UC were $48.6 million and $11,836 (95% CI $10,760-$12,912). For CD, 0- to 5-year-old patients had the highest mean LOS (8.10, 95% CI 5.53-10.67, days) and mean cost ($13,894, 95% CI $9053-$18,735), whereas, for UC, 11- to 15-year-old patients had the highest mean LOS (7.49, 95% CI 6.88-8.10, 95% CI 5.53-10.67, days) and mean cost ($13,407, 95% CI $11,704-$15,110). : For a pediatric disease with a rather low prevalence rate, the estimated annual inpatient pediatric burden of IBD is a sizeable $152.4 million (2010 US$) and 64,985 days spent in the hospital. As medications and outpatient treatments improve for the treatment of IBD, there is an opportunity for significant reduction in inpatient burden.

The ideal of biopsychosocial chronic care: How to make it real? A qualitative study among Dutch stakeholders

BackgroundChronically ill patients often experience psychosocial problems in everyday life. A biopsychosocial approach is considered to be essential in chronic care. In Dutch primary health care the current biomedically oriented clinical practice may conflict with the biopsychosocial approach. This study is aimed to explore the views of Dutch stakeholders on achieving a biopsychosocial approach to the care of patients with chronic diseases.MethodsIn a qualitative explorative study design, we held semi-structured interviews with stakeholders, face-to-face or by telephone. Data were analysed using content analysis. Thirty representatives of Dutch patients with chronic illnesses, primary care professionals, policy makers, health inspectorate, health insurers, educational institutes and researchers were interviewed.ResultsStakeholders were aware that a systematic biopsychosocial care approach is lacking in current practice. Opportunities for effective change are multidimensional. Achieving a biopsychosocial approach to care relates to active patient participation, the training of professionals, high-quality guidelines, protocols and tools, integrated primary care, research and financial issues.ConclusionsAlthough the principles and importance of the biopsychosocial model have been recognized, the provision of care that starts from the medical, emotional or social needs of individual patients does not fit in easily with the current Dutch health care system. All parties involved need to make a commitment to realize the ideal of biopsychosocial chronic care. Together they need to equip health professionals with skills to understand patients' multifaceted needs and to reward integrated biopsychosocial care. Patients need to be empowered to be active partners in their own care.

A Profile of Nonurgent Emergency Department Use in an Urban Pediatric Hospital

This study was designed to develop a descriptive profile of parents and caregivers who bring their children to the emergency department (ED) for nonurgent issues and to explore the reasons for presenting to an urban hospital pediatric ED for nonurgent conditions. Such work is necessary to develop effective interventions. A total of 106 parents/caregivers whose child was triaged with a nonemergent/urgent condition completed a 15- to 20-minute computerized survey (English and Spanish) in an urban pediatric ED. Most respondents described themselves as Latino (76%) and foreign born (62%). About one half (49%) reported having an annual income of less than $20,000, and 43% of respondents did not have health insurance for themselves. Almost all (95%) of the index children had a primary care physician and health insurance. Despite being triaged as nonurgent, more than one half (63%) described their child's condition as "very" or "extremely" urgent. About one half of the respondents reported not receiving basic information on childhood illnesses from their child's physician. Reasons for nonurgent visits seemed to revolve around issues of convenience and perception of quality of care. Interventions should focus on health literacy and ensure that parents are provided relevant and accurate education on pediatric illnesses and common safety concerns; by increasing parental education on pediatric health, parents may be better able to assess acuity of their child's health issues.

Student-Led Rural Health Fairs

Residents of rural communities, especially in the Southeast, have decreased access to health care. Ensuring medical students receive adequate exposure to their issues is complicated by the urban location of most schools. We describe health fairs conducted in rural communities to suggest how having medical students use screening tools can identify patients with risk factors for disease which can offer students the opportunity to learn about rural health issues through patient counseling. The Mitchell Wolfson Sr. Department of Community Service, a University of Miami Miller School of Medicine student-led organization, conducts fairs at four sites throughout the rural Florida Keys. Medical students, under the supervision of attending physicians, offer screening and preventive health services including risk factor screening for cardiovascular disease, ophthalmological exams, dermatologic exams, osteoporosis screening, and female exams with pap smears. These fairs were reviewed. In the past three years, 1694 unique patients were seen. Many lacked a primary care provider (46%) or health insurance (43%) and were provided screening for several disorders including cardiovascular disease risk factors (hypertension, diabetes, dyslipidemia, and obesity). Screening revealed that many patients (41%) had multiple markers of elevated cardiovascular disease risk. This provided experiences to more than 200 students each year. Fairs provide medical students exposure to rural health issues through the valuable opportunity of using risk factor screening tools and counseling. This provides valuable information to patients of rural communities. Future research should examine how fairs influence student knowledge and attitudes toward rural health and affect health outcomes.

Real-World Analysis of the Duration of Risk of Venous Thromboembolism In US Surgical Patients

AbstractAbstract 479 Background:Patients hospitalized for major surgery are at significant risk of developing venous thromboembolism (VTE). In the US, the length of acute hospitalization for surgery has been decreasing. Given the decreased length of hospital stays, the time during which surgical patients are at risk for VTE is not well-understood in real-world clinical practice. Such information could provide insights into whether current recommendations regarding VTE prophylaxis reflect the real world needs. This retrospective, observational study assessed the incidence and time course of VTE events following admission to the hospital for major surgery in a large, real-world patient population. Methods:This study employs administrative claims data derived from the Thomson Reuters MarketScan® Inpatient Drug Link File, which comprises longitudinal patient-level inpatient and outpatient medical and pharmaceutical claims data for individuals with employer-sponsored primary or Medicare supplemental health insurance. Patients at risk for VTE due to a hospital admission between January 1, 2005, and December 31, 2008, for either abdominal or orthopedic surgery were included in this study (obtained through charge codes for types of surgical procedures that reflect the American College of Chest Physicians guideline risk groups for VTE). Patients were included if they had been continuously enrolled for at least 12 months prior to admission and at least 180 days after admission. Additionally, patients included in the analysis were required to have received some form of pharmacological prophylaxis during their hospitalization. Appropriateness of prophylaxis was not determined. The cumulative risk and hazard of VTE were established across an evaluation period of 180 days. The distribution of cumulative risk was described by the Kaplan Meier product limit method of survival analysis. The distribution of the hazard of VTE was described by a locally weighted regression procedure. The hazard function is measured as the number of VTE events per 1,000 person-days by number of days after hospital admission date to the first occurrence of VTE. Results:The study cohort consisted of 6,445 surgical patients who received prophylaxis, of whom 3,726 (57.8%) were admitted for orthopedic surgery and 2,719 (42.2%) for abdominal surgery. Patients had a mean (standard deviation [SD]) age of 64.0 (13.6) years and 63.8% were female. The mean (SD) length of stay in hospital was 5.4 (6.1) days, during which all patients received prophylaxis for VTE (criteria for inclusion) with a mean (SD) duration of 4.7 (4.3) days. 30% of patients received anticoagulation therapy within the period extending from discharge to 35 days after discharge. A total of 243 VTE events (171 DVT and 96 PE) occurred during the 180-day evaluation period. 104 (43%) VTE events occurred during the index hospitalization, and 139 (57%) VTE events occurred post-discharge. The time course of VTE events showed that the highest number of events occurred during the first 9 days (66 events, 80% in-hospital; proportion of 180-day cumulative risk ∼22%) and during days 10–19 (55 events, 58% in-hospital; proportion of 180-day cumulative risk ∼50%) following admission for the index hospitalization. VTE hazard peaked at approximately 1.4 per 1,000 person-days on the 9th day following admission for the index hospitalization. By the 21st day following index admission 50% of the cumulative 180-day risk had been incurred. The frequency of VTE then further decreased during days 20–29 (21 events, 38% in-hospital; proportion of 180-day cumulative risk ∼58%) and gradually declined thereafter, fluctuating at a background level of 1–7 events during each 10-day interval from 70–79 days up to 170–180 days. Conclusions:Over a 180-day period after admission to the hospital 243 (3.8%) out of 6,455 at-risk surgery patients receiving pharmacological prophylaxis experienced an incident VTE event. Of these VTE events, 43% occurred during the index hospitalization, while 57% occurred post-discharge. Of all VTE events that occurred within the 180-day period, a quarter occurred within 10 days and half within 3 weeks. Results from this study show that the risk of VTE was highest within the first 19 days after admission to the index hospitalization. During this high-risk period, 30% of VTE events occurred after discharge, suggesting that a non-trivial risk of VTE extends into the period after discharge. Disclosures:Amin:sanofi-aventis US Inc.: Acknowledgment: This study was funded by sanofi-aventis U.S., Inc. The authors received editorial/writing support provided by Tessa Hartog, PhD of Excerpta Medica, in the preparation of this poster funded by sanofi-aventis U.S., Inc., Honoraria, Speakers Bureau. Princic:sanofi-aventis US Inc.: Research Funding. Lin:sanofi-aventis US Inc.: Employment, Research Funding. Thompson:sanofi-aventis US Inc.: Employment. Johnston:sanofi-aventis US Inc.: Research Funding.

National Survey of Preventive Health Services in US Emergency Departments

We describe the availability of preventive health services in US emergency departments (EDs), as well as ED directors' preferred service and perceptions of barriers to offering preventive services. Using the 2007 National Emergency Department Inventory (NEDI)-USA, we randomly sampled 350 (7%) of 4,874 EDs. We surveyed directors of these EDs to determine the availability of (1) screening and referral programs for alcohol, tobacco, geriatric falls, intimate partner violence, HIV, diabetes, and hypertension; (2) vaccination programs for influenza and pneumococcus; and (3) linkage programs to primary care and health insurance. ED directors were asked to select the service they would most like to implement and to rate 5 potential barriers to offering preventive services. Two hundred seventy-seven EDs (80%) responded across 46 states. Availability of services ranged from 66% for intimate partner violence screening to 19% for HIV screening. ED directors wanted to implement primary care linkage most (17%) and HIV screening least (2%). ED directors "agreed/strongly agreed" that the following are barriers to ED preventive care: cost (74%), increased patient length of stay (64%), lack of follow-up (60%), resource shifting leading to worse patient outcomes (53%), and philosophical opposition (27%). Most US EDs offer preventive services, but availability and ED director preference for type of service vary greatly. The majority of EDs do not routinely offer Centers for Disease Control and Prevention-recommended HIV screening. Most ED directors are not philosophically opposed to offering preventive services but are concerned with added costs, effects on ED operations, and potential lack of follow-up.

Health Insurance Status and Physician Behavior in Germany

Germany has a two-tier system of statutory and primary private health insurance. Both insurance types provide fee-for-service insurance, but chargeable fees for identical services are more than twice as large for privately insured as for statutorily insured patients. Using German SOEP 2002 data, I analyze the effect of insurance status on the insured's number of doctor visits. Conditional on health, privately insured patients are less likely to contact a physician than publicly insured but more frequently visit a doctor following a first contact. This is indirect evidence for the hypothesis that physicians over-treat privately insured patients at least relative to the statutorily insured. <italic>JEL Classification: I11</italic>

Review Article: Gynecological Disorders in Geriatric Emergency Medicine

Emergency physicians must be competent in caring for elderly women because they constitute the fastest growing segment of the population in the United States. Familiarity with acute geriatric gynecologic issues is crucial to providing satisfactory health care for these patients with complaints relating to incontinence, pelvic floor dysfunction, and other gynecologic conditions. Vigilant suspicion for malignancy should be maintained in facilities that service patients without primary health care or insurance. This article provides a systematic approach to emergency department management of common geriatric gynecological conditions. Anatomical and physiological changes are discussed, as well as the geriatric pelvic examination, malignancy, urinary tract infection, incontinence, pelvic organ prolapse, and vulvovaginitis.

Mobile medical care units: an innovative use of Medicare funding.

Medicare is an underutilized payment source for home-delivered health care services for homebound elderly. An innovative service provision for home health care, Mobile Medical Care Units (MMCU), is presented. MMCU consist of a multidisciplinary team of health care professionals who are responsible for following the health care needs of their elderly patients on a continuous long-term basis across settings. This comprehensive care has significant impacts on homebound elderly and the health care industry. MMCU have the potential to be covered more inclusively by primary or supplemental health insurance plans, including Medicare, Medicaid, and HMO's, or by special funding from state aging departments.

Health Insurance Status and Physician-Induced Demand for Medical Services in Germany: New Evidence from Combined District and Individual Level Data

Germany is one of the few OECD countries with a two-tier system of statutory and primary private health insurance. Both types of insurance provide fee-for-service insurance, but chargeable fees for identical services are more than twice as large for privately insured patients than for statutorily insured patients. This price variation creates incentives to induce demand primarily among the privately insured. Using German SOEP 2002 data, I analyze the effects of insurance status and district (Kreis-) level physician density on the individual number of doctor visits. The paper has four main findings. First, I find no evidence that physician density is endogenous. Second, conditional on health, privately insured patients are less likely to contact a physician but more frequently visit a doctor following a first contact. Third, physician density has a significant positive effect on the decision to contact a physician and on the frequency of doctor visits of patients insured in the statutory health care system, whereas, fourth, physician density has no effect on privately insured patients' decisions to contact a physician but an even stronger positive effect on the frequency of doctor visits thanthe statutorily insured. These findings give indirect evidence for the hypothesis that physicians induce demand among privately insured patients but not among statutorily insured.

Health coverage of low-income citizen and noncitizen wage earners: sources and disparities.

The health coverage of low-income workers represents an area of continuing disparities in the United States system of health insurance. Using the 2001 California Health Interview Survey, we estimate the effect of low-income wage earners' citizenship and gender on the odds of obtaining primary employment-based health insurance (EBHI), dependent EBHI, public program coverage, and coverage from any source. We find that noncitizen men and women who comprise 40% of California's low-income workforce, share the disadvantage of much lower rates of insurance coverage, compared to naturalized and U.S.-born citizens. However, poor coverage rates of noncitizen men, regardless of permanent residency status, result from the cumulative disadvantage in obtaining dependent EBHI and public insurance. If public policies designed to provide a health care safety net fail to address the health care coverage needs of low-wage noncitizens, health disparities will continue to increase in this group that contributes essentially to the U.S. economy.

A haemophilia treatment centre‐administered disease management programme in patients with bleeding disorders

The objective of this study is to describe a disease management programme (DMP) for the bleeding disorder population insured by Indiana's high-risk insurance plan, and to assess the associated costs and outcomes. All bleeding disorder patients, covered by the state plan as their primary health insurance, were enrolled into a DMP administered by the Indiana Hemophilia & Thrombosis Center (IHTC). A pre/post-intervention study design was used, with 1-year pre-enrollment serving as the baseline period and 1-year post-enrollment as the study period. Claims data were used to assess hospitalizations, emergency room (ER) visits, total medical and clotting factor costs and factor units dispensed. Medical records were used to assess disease severity and other comorbidities. Thirty-one continuously enrolled patients had complete data over 2 years. Approximately 84% of the population was male, 81% with haemophilia. The average costs of care in the baseline year and the first year of the programme were $161 441 and $118 293, respectively. The decrease in the total costs was primarily attributed to a decrease in outpatient factor costs, which resulted from decreased factor utilization and lower per unit factor costs. The mean number of inpatient hospital days and ER visits for the DMP population decreased from 1.3 and 1.4 to 0.4 and 0.6, baseline and first year, respectively. Owing to the small sample size and high variability of the population, the differences were not statistically significant. The DMP appears to have reduced the total costs and resource utilization, although the study was underpowered.

Trends in the Prescribing of Oral Agents for the Management of Type 2 Diabetes Mellitus in the United States, 1990-2001

The objectives of the present study were (1) to discern trends in the prescribing of oral pharmacotherapy for the management of type 2 diabetes mellitus (DM) in the United States during the years 1990 through 2001 and (2) to examine the mediating role of primary health insurance coverage on patients' access to pharmaceutical innovation for the management of type 2 DM. Data from the US National Ambulatory Medical Care Survey (NAMCS) for the years 1990 through 2001 were used for this analysis. National estimates of the number of office-based visits documenting a diagnosis of type 2 DM and the prescribing of an oral medication for glycemic control increased from 7 871 283 in 1990 to 13 730 886 in 2001 (a 74.4% increase). A significantly higher proportion of patients covered by private health insurance were prescribed a newer agent, either alone or as part of a combination regimen of oral agents, as compared to patients covered by either Medicare or Medicaid (chi(2) < or = .001). Over the time frame of 1995 through 2001, access to pharmaceutical innovation for the management of type 2 DM was mediated by the patient's primary source of health insurance coverage. Future research will need to discern the effect of observed differences in the prescribing of oral agents for the management of type 2 DM on both clinical and economic outcomes and, in light of ongoing discussion regarding health care reform in the United States, to foster clinically rational and equitable access to pharmaceutical innovation.

Utility of the SEER-Medicare data to identify medical androgen deprivation therapy

6113 Background: Researchers are increasingly using SEER-Medicare data to measure the use of various cancer therapies. However, the validity and completeness of Medicare data as a source of information for identifying medical androgen deprivation has not been established. In this study, we compared the classification of ADT use based on SEER-Medicare linked data and medical record review. Methods: Among patients who were included in the Prostate Cancer Outcomes Study (PCOS) aged 65 or older and have Medicare part A and B coverage as their primary health insurance, their use of medical androgen deprivation therapy (ADT) identified from the SEER-Medicare data was compared with the results of medical record review. The linkage of the datasets was accomplished by using encrypted IDs. Two algorithms were evaluated. Algorithm A defines ADT use liberally, if at least one of the following HCPCS codes is present: J1950, J9202, J9217, J9218, or J9219. Algorithm B, developed by the authors to identify consistent androgen deprivation, defines ADT only if there is evidence of treatment lasting for 3 months or longer, indicated by either the 12-month treatment J9219 or at least 3 months of treatment with J9202 or J9217. Results: For the 673 patients eligible for this validation study, algorithm A has a sensitivity of 92.5% and a specificity of 85.2% in identifying medical ADT compared to medical record review (see table ), while algorithm B has a sensitivity of 81.8% and a specificity of 88.9% ( Table 1 ). When the study was further restricted to patients with Medicare insurance only (N=142), both algorithms improved: 96.2% sensitivity and 85.6% specificity for algorithm A, and 88.5% sensitivity and 91.1% specificity for algorithm B. Conclusions: Both algorithms have reasonable sensitivity and specificity. Medicare claims can be used to track ADT use for the treatment of prostate cancer in the Medicare population. [Table: see text] No significant financial relationships to disclose.