Abstract

Background: Higher prevalence of stroke in women and sex-specific disparities in stroke care are reported. We sought to determine sex-specific differences in stroke performance metrics in a large quality improvement registry of Florida and Puerto Rico based on Get With The Guidelines-Stroke (GWTG-S). Methods: 38,684 (49% women) acute ischemic stroke patients were included from 63 sites (54 FL; 9 PR) from 2010 to 2013. Logistic regression was used to evaluate sex-specific differences in defect-free care (IV tPA therapy, in-hospital antithrombotic therapy, DVT prophylaxis, antithrombotic therapy at discharge, anticoagulation therapy, statin medication at discharge, smoking cessation counseling) adjusting for age and race-ethnicity. Results: As compared to men, women were older (73±15 vs. 69±14 years; p<0.0001), less likely Hispanic (17% vs. 18%; p=0.0001), with lower age- and race-ethnic-adjusted rates of hypertension (34% vs. 37%; p=0.0009) and smoking (13% vs. 21%; p<0.0001), but higher rates of atrial fibrillation (18% vs. 16%; p=0.02). Overall, 9% of patients received thrombolysis. Women were less likely to receive thrombolysis (OR 0.92, 95% CI 0.86-0.99) and less likely to have door-to-needle time <1 hour (OR 0.84, 95% CI 0.73-0.97). Overall, defect-free care was 75% in women and 76% in men (lower early antithrombotic therapy [OR 0.86, 95% CI 0.77-0.96], less antithrombotic at discharge [OR 0.87, 95% CI 0.77-0.99], less statin therapy at discharge [OR 0.81, 95% CI 0.74-0.88] and less smoking cessation counseling [OR 0.74, 95% CI 0.56-0.98]). Defect- free care improved over the study period; it was significantly lower in women vs. men in 2010 (58.2% vs. 60.7%, p=0.005), but similar in 2013 (90.2% vs 90.0%; p=0.64). Conclusions: Women eligible to receive IV tPA for acute ischemic stroke were less likely to be treated and received less defect-free care compared to men, but these measures improved over time. These findings suggest that the adoption of GWTG-S quality improvement program helps reduce sex disparities in quality of care for acute ischemic stroke patients.

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