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Table 3 The distributions of ABO blood type 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

411

143(34.8)

122(29.7)

112(27.3)

34(8.3)

non-DOR

1279

419(32.8)

428(33.5)

308(24.1)

124(9.7)

χ2

 

0.579

2.024

1.673

0.743

P

 

0.470

0.164

0.213

0.436

  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