Abstract
Studies examining the effects of social determinants of health on healthcare use in irritable bowel syndrome (IBS) are scarce. We aimed to assess healthcare spending among different racial/ethnic groups and genders in adults with IBS. We performed a retrospective cohort analysis of adults diagnosed with IBS between 2016-2021 using Optum's de-identified Clinformatics® Data Mart Database . We analyzed total annual and IBS-specific costs, utilization and costs of individual services, and prescriptions. We compared outcomes across racial/ethnic groups and by gender after adjusting for covariates and examined race-gender interactions. Among 95,319 adults with IBS, healthcare spending varied significantly by race and gender. Total all-cause and IBS-specific costs were lower in men than in women and in Asian and Hispanic patients than in White patients. Compared to White patients, Black patients had higher total IBS-specific costs, all-cause prescriptions costs, IBS-related radiology and laboratory costs, and emergency department (ED) care whileAsian and Hispanic patients incurred lower costs for ED care, hospitalizations, and all-cause prescriptions. Endoscopy costs were lower in racial minority groups. Women had higher spending for most services compared to men, but gender differences in most IBS-related services were small. All-cause hospitalization and endoscopy costs were higher in men, but IBS-specific hospitalization and endoscopy costs were higher in women. Gender disparities in all-cause individual services also varied by race. Overall and IBS-related spending is higher in women, but gender differences in IBS-related care are small. Racial/ethnic comparisons show reduced spending in Asian and Hispanic patients, increased ED care in Black patients, and variations in spending patterns. Gender disparities differ by race.
Published Version
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