Abstract P75: Association Between Caregiving, 30-Day Outcomes, and Baseline Risk Status Among Hospitalized Cardiac Patients

2011 
BACKGROUND: Caregivers might represent a unique opportunity to improve clinical outcomes among cardiovascular disease (CVD) patients, however prospective data are limited. PURPOSE: To determine if having a caregiver is associated with 30-day clinical outcomes and baseline risk status among hospitalized CVD patients. METHODS: We prospectively studied 4500 consecutive patients admitted to the CVD service line at a university hospital as part of the NHLBI-sponsored F amily Cardiac Caregiver I nvestigation T o Evaluate O utcomes ( FIT-O ) Study. Clinical outcomes included rehospitalization or death within 30-days. Patients [N=4500, 59% white, 62% male, 93% participation rate] completed a standardized interviewer assisted questionnaire in English/Spanish about caregiving (paid or non-paid). In a subsample of patients with baseline data available (n=1324), comorbidities, labs, and medications were analyzed by caregiver status. Comorbidity score was calculated using the Ghali Comorbidity Index (range 0-11). The association between caregiving and clinical outcomes was evaluated by logistic regression adjusted for confounders. RESULTS: At 30-days, 11% (475/4500) of patients had been rehospitalized or had died. Cardiac patients who had a caregiver vs. those who did not were significantly more likely to have been rehospitalized or to have died within 30-days (OR=1.4, 95%CI=1.2-1.7). This association was similar when analyzed by paid (OR=1.7, 95%CI=1.2-2.3) or non-paid (OR=1.2, 95%CI=1.0-1.6) caregiver status, and was not materially altered when adjusted for demographic confounders. In a subsample (n=1324), cardiac patients who had caregivers vs. those who did not were significantly (p 2.5 mg/dL, HbA1C ≥7%, comorbidity score >1, and take ≥11 medications. The association between caregiving and 30-day outcomes was not significant after adjustment for demographics, baseline risk factors, and comorbidities (OR=1.2, 95%CI=0.4-3.3). CONCLUSION: Cardiac patients who had a caregiver vs. those who did not had significantly higher rehospitalization and mortality rates at 30-days; this association is largely explained by their higher baseline risk status.
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