Abstract 098: The Prevalence of Racial and Socioeconomic Disparities in an Outpatient Transitional Care Clinic

Abstract

Background: Bridging the Discharge Gap Effectively (BRIDGE) is a cardiac transitional care clinic. BRIDGE has demonstrated improved patient outcomes for some populations. This study sought to determine if differences in outcomes (readmissions, ED visits, death) exist for Caucasian and non-Caucasian patients based on BRIDGE attendance and socioeconomic status (SES). Methods: Data on patients referred to BRIDGE from 2008-2014 were analyzed. Patients were split into two cohorts (Caucasian and non-Caucasian) and outcomes for each were independently compared by BRIDGE attendance and SES. Non-low SES was defined as income > $48,600 (200% poverty line for a family of 4) and low SES was income ≤ $48,600. Demographics and outcomes were compared between groups. Results: Of 2964 patients, 15.1% were non-Caucasian (n=448). Caucasians were significantly older than non-Caucasians (66.16±14.29 v 59.14±14.75, p<0.001), and were more likely to have primary diagnoses of acute coronary syndrome (28.2% v 23.5%, p=0.039) or atrial fibrillation (16.8% v 9.3%, p<0.001). Among Caucasian patients, BRIDGE attenders had significantly lower 30-day readmission rates (8.6% v 11.3%, p=0.038) and fewer ED visits within 6 months (1.80±1.3 v 2.10±2.0, p=0.049). Non-Caucasians, however, were more likely to have an ED visit within 6 months (40.9% v 33.7%, p=0.012; data not shown). Non-Caucasians of low SES were more likely to be readmitted within 6 months (40.5% v 29.5%, p=0.029) and less likely to attend BRIDGE (64.9% v 76.4%, p=0.016) than non-low SES non-Caucasians. There were no significant differences between non-low and low SES Caucasian patients. Among BRIDGE attenders, 6-month mortality rates were significantly lower for both groups (Caucasian: 5.2% v 10.8%, p<0.001; non -Caucasian: 4.3% v 10.7%, p=0.013). Conclusions: BRIDGE attendance was associated with improved outcomes in Caucasians that were not seen in non-Caucasians, with the exception of reduced mortality. Also, SES appears to impact non-Caucasians more than Caucasians, with low SES non-Caucasians having higher readmission rates and lower BRIDGE attendance than non-low SES non-Caucasians. Differences seen may be biased due to unevenly distributed groups (i.e. age and diagnosis). Efforts to target these vulnerable populations are warranted to reduce disparities.