Background and Purpose-Many Veteran Health Administration (VHA) enrollees receive health services outside the VHA system. However, limited information is available about poststroke utilization and mortality by veterans who used multiple sources of health care. This study assessed the likelihood of 12-month poststroke rehospitalization and mortality of veterans who used VHA only versus those who used multiple sources of care. Methods-Our retrospective observational study examined veterans living in Florida and diagnosed with acute stroke. We categorized users into 4 groups: VHA-only, VHA-Medicare, VHA-Medicaid, and VHA-Medicare-Medicaid based on their use of each health care program. Logistic regression models were fitted for 12-month poststroke general rehospitalization, recurrent stroke readmission, and mortality, adjusting for sociodemographic and clinical factors. Results-The sample consisted of 29% VHA-only users, 61% VHA-Medicare users, 3% VHA-Medicaid users, and 7%VHA-Medicare-Medicaid triple users. Compared with the VHA-only users, multiple system users were significantly more likely to be rehospitalized for any cause and for recurrent stroke 12-months postindex. Mortality outcomes depended on when the outcome was measured; at the index admission date, we found no significant difference in mortality across the user groups; at the index discharge date, the VHA-only users was less likely to die within the first 12 months than the users of the 2 dual groups (VHA-Medicare and VHA-Medicaid). Conclusions-Multiple health care source use was common among VHA enrollees with acute stroke in Florida. Multiple system users were more likely to be rehospitalized and the mortality outcomes were dependent on when the outcome was measured.
This is the third study in a line of research which is designed to increase scientific understanding of the predictors of health-related quality of life (HRQOL) among men with HIV infection using data collected in large, prospective cohort study. Building on two prior investigations, this study examined the time-dependent relationships of psychosocial and clinical variables (active coping strategies, social support, CD4 cell count, comorbidity, and duration of HIV infection) and 10 HRQOL dimensions at two time points (baseline and 12 months). Using linear mixed models, we found that most relationships between the psychosocial and clinical variables and HRQOL dimensions were consistent across time. However, there were interactions between time and CD4 cell count and some HRQOL dimensions. Specifically, increased active coping and social support were positively related, whereas more comorbid conditions and longer HIV infection duration were negatively related with multiple HRQOL dimensions at both baseline and 12 months. CD4 cell count was positively associated with emotional well-being at both time points, but the associations between CD4 cell count and five HRQOL dimensions were negative at baseline but positive at 12 months. These findings provide additional support for the recommendation that clinicians and health planners should continually strive to enhance active coping strategies and social support, manage comorbid conditions, and incorporate duration of HIV diagnoses in their treatment plans. Because the relationships between CD4 cell count and HRQOL dimensions varied over time, it is important to recognize that results from laboratory tests (i.e., CD4 cell count) may have differential quality of life implications for patients at various times in their disease trajectories.
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