Affiliation:
1. From the Department of Epidemiology (M.R., P.J., M.B.), College of Human Medicine, and the Division of Neurology and Ophthalmology (A.B.), Michigan State University, East Lansing; and the School of Public Health (L.L.), University of Michigan, Ann Arbor.
Abstract
Background and Purpose—
Some studies report that women are less likely to receive IV rt-PA treatment for stroke than men. We undertook a meta-analysis to determine whether a sex disparity existed.
Methods—
We identified studies that reported sex-specific IV rt-PA treatment rates for acute stroke. Eligible studies included acute stroke admissions from single or multiple hospitals, registries, or administrative databases. Random effects odds ratios (OR) and 95% confidence intervals (CI) were generated to quantify sex differences (females versus males) among all ischemic stroke admissions and among the eligible subgroup who arrived within 3 hours without contraindications. Study design and geographic location were explored as sources of heterogeneity.
Results—
Eighteen studies were included. Study designs included single hospitals (n=5), multiple hospitals (n=6), registries (n=4), and administrative databases (n=3). The summary OR was 0.70 (95% CI=0.55 to 0.88) indicating that women had a 30% lower odds of receiving rt-PA treatment than men. However, substantial between-study variability existed. Among 13 hospital-based studies, the summary OR was 0.78 (95% CI=0.71 to 0.86) with no significant heterogeneity. Among the 3 administrative studies, the OR was 0.55 (95% CI=0.34 to 0.90) but with significant heterogeneity. Among 4 studies that included data on the eligible subgroup, women had a nonsignificant lower odds of treatment (OR=0.81, 95% CI=0.58 to 1.13).
Conclusions—
Despite the presence of significant between-study variation, women with acute stroke were consistently less likely to receive thrombolysis treatment compared with men. Further studies to explore the origins of this sex disparity are warranted.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Advanced and Specialised Nursing,Cardiology and Cardiovascular Medicine,Clinical Neurology
Cited by
122 articles.
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