Abstract
Frailty is a state of vulnerability to stressors resulting in higher morbidity, mortality, and utilization in older adults. Depression and frailty often coexist, suggesting a bidirectional relationship that may increase the effects of each individual condition on clinical outcomes and health-care utilization in older adults. To determine the effects of concurrent frailty and depression on all-cause hospitalizations. Prospective cohort study, conducted at a Veterans Affairs (VA) Medical Center. The participants were male, community-dwelling veterans 65years and older. From 4 January through 30 December 2016, a 46-item frailty index was generated from data obtained from the VA electronic health record. Trained staff conducted in-depth reviews of electronic health records ascertaining depression status. Patients were followed through 31 December 2017 for all-cause hospitalizations following the initial assessment of frailty. After adjusting for covariates, the association of frailty and depression with all-cause hospitalizations was determined with the Andersen-Gill model, accounting for repeated hospitalizations. Five hundred fifty-three male patients were part of the study, mean age 76.3 (SD=8.2) years. One hundred eighty-one patients (32.7%) had depression diagnoses. During a median follow-up period of 530days (interquartile range [IQR]=245), 123 patients (22.2%) had 240 hospitalizations. Frailty status was not associated with future hospitalizations (adjusted hazard ratio [HR]=1.61; 95% CI, 95-2.74; P>.05). Depression was associated with higher all-cause hospitalizations (adjusted HR=1.57; 95% CI, 1.09-2.26); P=.0157). Depression but not frailty was significantly associated with higher rates of all-cause hospitalization. Implementing interventions that target older adults with both frailty and depression may reduce the burden of both conditions and reduce hospitalizations.
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