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Table 1 Descriptive summary of the studies included in the meta-analysis for the association between the circle of Willis and ischemic stroke, 2020

From: Association between circle of Willis and ischemic stroke: a systematic review and meta-analysis

S.no Author Publication year Country Sample size Male sex Mean age in years Duration/ Follow-up time Study design
1 Yu-Ming et al. [38] 2008 Taiwan 310 210 68.9 2006/l year Case control
2 Shahan et al. [39] 2017 USA 457 36.0 2005–2015/10 years Case control
3 Tom-Van et al. [40] 2016 Netherland 484 268 52.0 2009–2013/ 4 years Prospective
4 SMART Study Group [41] 2015 Netherland 976 782 58.2 2001–2005/ 4 years Prospective
5 Rafat et al. [17] 2015 Poland 371 265 66.0 2011–2015/ 4 yeas Case control
6 Edlira et al. [42] 2014 Albania 120 52 60.2 2012–2013/ 1 year Case control