Journal
STROKE
Volume 42, Issue 7, Pages 2074-2076Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/STROKEAHA.110.612655
Keywords
epidemiology; pelvic inflammatory disease; risk factors; sensitivity analysis; stroke
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Background and Purpose-The aim of this study is to estimate the risk of stroke in a 3-year period after pelvic inflammatory disease (PID) using a nationwide population-based study. Methods-Our study cohort consisted of all patients with a diagnosis of PID (N=64 515) between 2004 and 2005 with a control cohort (1:2) of age-matched controls (N=129 030). Each patient was tracked from hospitalization until the end of 2006. Cox regressions were performed to compute the 3-year stroke-free survival rates after adjusting for possible confounding factors. Results-We found that women with PID were more likely to have strokes than the control population. After adjusting for potential confounding factors, the adjusted hazard ratio of stroke was 1.63 (95% CI, 1.45-1.85) for PID patients as compared to the general population cohort. Sensitivity analysis using a bootstrap approach further ensured the validity of the results of our study. Conclusions-We concluded that patients with PID have an association with stroke. Further research is necessary to investigate the pathophysiology between PID and stroke. (Stroke. 2011; 42: 2074-2076.)
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