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. Author manuscript; available in PMC: 2011 Sep 27.
Published in final edited form as: Stroke. 2010 Jul 8;41(8):1599–1603. doi: 10.1161/STROKEAHA.110.581256

Figure 2.

Figure 2

Meta-analysis of Factor V Leiden and ischemic stroke in young adults. For each study, the number of individuals with Factor V Leiden and the total number of individuals are indicated for both case and control populations. The odds ratio for each study is given by a square, the size of which is proportional to the sample size, and a horizontal line denotes the 95% confidence interval. The pooled odds ratio for “selected” studies, “unselected” studies, and all studies under a fixed effects model is represented by a diamond.