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Table 4 The distributions and comparisons of ABO blood type in patients with age were less than 35 years old in the DOR group and non-DOR. [(%)]

From: Association of ABO blood groups with ovarian reserve: a retrospective cohort study in Chinese Han women younger than 40 years with infertility

 

n

ABO blood type

O

A

B

AB

DOR

187

57(30.5)

54(28.9)

53(28.3)

23(12.3)

non-DOR

985

323(32.8)

335(34.0)

233(23.7)

94(9.5)

χ2

 

0.383

1.868

1.872

1.329

P

 

0.552

0.177

0.193

0.286

  1. Data presented as a median and interquartile range; Continuous variables were compared using the Mann-Whitney test. Count data were expressed as rate (%) and analyzed by χ 2 test
  2. BMI Body mass index, P Progesterone, FSH Follicle stimulating hormone, LH Luteinizing hormone, E2 Estradiol