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Table 5 Characteristics of studies on VDR TaqI rs757343 (G > A) 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 AA AG GG AA AG GG
Bagheri [23] 2012 Iran Asian 7 181 181 7 51 123 6 48 127
Ranjzad [25] 2012 Iran Asian 8 35 35 1 6 28 0 8 27
Zadeh-Vakili [26] 2013 Iran Asian 8 221 260 6 58 157 8 66 186