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Table 2 Characteristics of studies on VDR BsmI rs1544410 (A > G) variant and polycystic ovarian syndrome (PCOS) susceptibility

From: Association of vitamin D receptor gene variants with polycystic ovary syndrome: a meta-analysis

Author Year Country Ethnicity NOS scores Sample size Genotype in cases Genotype in controls
PCOS Control GG AG AA GG AG AA
Jedrzejuk [15] 2015 Poland Caucasian 7 90 98 31 45 14 43 42 13
Mahmoudi [16] 2015 Iran Asian 8 35 35 13 12 10 7 23 5
Mahmoudi [17] 2009 Iran Asian 8 162 162 53 85 24 53 91 18
Bagheri [23] 2012 Iran Asian 7 46 46 4 27 15 2 24 20
Siddamalla [19] 2017 India Asian 7 94 130 34 45 15 17 41 72
Wehr [20] 2011 Australia Caucasian 7 537 137 77 244 216 49 66 22
Cao [21] 2016 China Asian 7 120 120 37 60 23 25 55 40
Santos [22] 2018 Brazil Caucasian 7 187 100 74 76 37 41 48 11