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Table 2 summarized results of meta-analysis for women infertility

From: Association of ABO blood groups with ovarian reserve, and outcomes after assisted reproductive technology: systematic review and meta-analyses

Outcome Studies Participants Statistical Method Effect Estimate P value Homogeneity(I2) P value
DOR
 A vs. O 9 35,156 RR (M-H, Random, 95%CI) 0.98[0.85,1.13] 0.80 85% < 0.00001
 B vs. O 8 34,296 RR (M-H, Random, 95%CI) 0.96[0.76,1.20] 0.71 91% < 0.00001
 AB vs. O 8 23,407 RR (M-H, Random, 95%CI) 1.00[0.76,1.30] 0.98 84% < 0.00001
 Non-O vs. O 9 35,163 RR (M-H, Random, 95%CI) 0.94[0.79,1.11] 0.43 92% < 0.00001
OHSS
 A vs. O 2 1217 RR (M-H, Fixed, 95%CI) 1.05[0.66,1.66] 0.85 0% 0.58
 B vs. O 2 829 RR (M-H, Fixed, 95%CI) 1.04[0.46,2.35] 0.92 0% 0.44
 AB vs. O 2 734 RR (M-H, Fixed, 95%CI) 0.51[0.10,2.56] 0.42 0% 0.75
 Non-O vs. O 2 1408 RR (M-H, Fixed, 95%CI) 1.02[0.65,1.57] 0.95 0% 0.54
LBR
 A vs. O 3 4882 RR (M-H, Random, 95%CI) 1.27[0.74,2.17] 0.38 97% < 0.00001
 B vs. O 3 3493 RR (M-H, Random, 95%CI) 1.47[0.95,2.29] 0.09 88% 0.0002
 AB vs. O 3 3291 RR (M-H, Random, 95%CI) 1.48[0.76,2.90] 0.25 94% < 0.00001
 Non-O vs. O 4 6341 RR (M-H, Random, 95%CI) 1.28[0.83,1.98] 0.27 96% < 0.00001
CPR
 A vs. O 2 1965 RR (M-H, Random, 95%CI) 1.12[0.90,1.38] 0.31 61% 0.11
 B vs. O 2 1194 RR (M-H, Fixed, 95%CI) 1.08[0.89,1.30] 0.43 0% 0.99
 AB vs. O 2 1266 RR (M-H, Fixed, 95%CI) 1.05[0.90,1.24] 0.52 17% 0.27
 Non-O vs. O 3 2886 RR (M-H, Fixed, 95%CI) 1.05[0.96,1.15] 0.27 8% 0.34
MR
 Non-O vs. O 2 2386 RR (M-H, Fixed, 95%CI) 0.94[0.76,1.18] 0.62 0% 0.33
  1. Note: DOR Diminished ovarian reserve; OHSS Ovarian hyperstimulation syndrome; CPR Clinical pregnancy rate; LBR Live birth rate; MR Miscarriage rate; RR Risk ratio