Abstract

Background: Race-ethnic disparities in stroke care can contribute to inequality in stroke outcomes. We sought to determine the disparities in stroke performance metrics by race-ethnicity in a voluntary stroke registry of Florida and Puerto Rico Get With The Guidelines-Stroke (GWTG-S) data. Methods: Sixty-three sites who had enrolled in the FL-PR Stroke Registry (54 FL; 9 PR) recorded 38,684 ischemic stroke cases from 2010 to 2013. Generalized linear regression models were used to evaluate race-ethnic differences in 7 pre-defined acute stroke performance measures and defect-free care (IV tPA treatment, in-hospital antithrombotic therapy, DVT prophylaxis, antithrombotic therapy at discharge, anticoagulation therapy, statin medication at discharge, and smoking cessation counseling), adjusting for age and region (FL vs. PR). Results: Of acute ischemic stroke cases, 63% were non-Hispanic White (NHW), 18% NH-Black (NHB), and 17% Hispanic. The mean age was 71±14 years. NHW were older (73±14), followed by Hispanics (70±14), and NHB (63±14); p<0.0001. Defect-free care was better among NHB (78%) and NHW (76%) than in Hispanics (68%), p<0.0001. Defect-free care improved over time and the race-ethnic disparity decreased (2010: NHW 61%, NHB 64%, Hispanic 46%, p<0.0001; 2013: 91%, 91%, 86%, p=0.47 respectively). NHW were most likely to receive IV tPA treatment (arrived by 2 hours and treated by 3 hours; 88%) and early antithrombotic treatment (96%). Hispanics were least likely to receive DVT prophylaxis (76%), anticoagulation (92%), statins (89%), and smoking cessation counseling (93%). Conclusions: Race-ethnic disparities in acute stroke care are evident yet decreasing, coinciding with improvements in quality of care over time in Florida and Puerto Rico hospitals participating in GWTG-S. Special stroke quality improvement programs to target areas where performance is less than expected and minimize race-ethnic disparities are necessary to improve stroke care for all Americans.

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