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Abstract
Objective A prior meta-analysis of reports published between 2000 and 2008 found that women were 30% less likely to receive IV recombinant tissue plasminogen activator (rtPA) treatment for stroke than men; we updated this meta-analysis to determine if this sex difference persisted.
Methods We identified studies that reported sex-specific IV rtPA treatment rates for acute ischemic stroke published between 2008 and 2018. Eligible studies included representative populations of patients with ischemic stroke from hospital-based, registry-based, or administrative data. Random effects odds ratios (ORs) were generated to quantify sex differences.
Results Twenty-four eligible studies were identified during this 10-year period. The summary unadjusted OR based on 17 studies with data on all ischemic stroke patients was 0.87 (95% confidence interval [CI], 0.82–0.93), indicating that women had 13% lower odds of receiving IV rtPA treatment than men. However, substantial between-study variability existed. Lower treatment odds in women were also observed in 7 studies that provided data on the subgroup of patients eligible for IV rtPA treatment, although the summary OR of 0.95 (95% CI, 0.88–1.02) was not statistically significant. Examination of time trends across 33 studies published between 2000 and 2018 found evidence that the sex difference had narrowed in more recent years.
Conclusions Although there is considerable variability in the findings of individual studies, pooled data from recent studies show that women with acute stroke are less likely to be treated with IV thrombolysis compared with men. However, the size of this difference has narrowed compared to studies published before 2008.
Glossary
- AIS=
- acute ischemic stroke;
- CI=
- confidence interval;
- OR=
- odds ratio;
- rtPA=
- recombinant tissue plasminogen activator
Footnotes
Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.
- Received May 16, 2019.
- Accepted in final form December 5, 2019.
- © 2020 American Academy of Neurology
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