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Table 3 Comparison between the pooled prevalence in Arab countries with other regions around the world

From: Prevalence of BRCA mutations among hereditary breast and/or ovarian cancer patients in Arab countries: systematic review and meta-analysis

Author (year) Country Sample size BRCA mutation prevalence z-score P-value
Keshavarzi et al. (2011) Iran 85 7% 15.429 <  0.0001
Vaca-Panigua et al. (2012) Mexico 39 7.7% 13.97 <  0.0001
Loman et al. (2001) Sweden 234 8.9% 11.81 <  0.0001
Hamann et al. (2003) Germany 23 13% 6.30 <  0.0001
Alsop et al. (2012) Australia 1001 14.1% 5.134 <  0.0001
Yazici et al. (2000) Turkey 53 15.1% 4.144 <  0.0001
Sharma et al., (2014) Kansas, USA 207 15.4% 3.86 0.0001
Han et al. (2013) Korea 775 21.7% 1.25 0.2117
Hedau et al. (2004) India 24 25% 3.497 = 0.0005
Sugano et al. (2008) Japan 135 26.7% 4.59 <  0.0001
Weitzel et al. (2005) Hispanics in USA 110 30.9% 7.14 <  0.0001
Hoya et al. (2001) Spain 102 43% 14.07 <  0.0001