Abstract: Data was gathered for 66 countries and a linear multi-variate regression was run.
摘要：数据收集的66个国家和运行一个多变量线性回归分析。
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Among women who reported current aspirin use, the multi-variate relative risk of all-cause death was 0.75 (95% confidence interval, 0.71-0.81) compared with women who never used aspirin regularly.