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Table 5 Regression analysis of ABO blood groups in male and female COVID-19 cases

From: Association between ABO blood groups and susceptibility to COVID-19: profile of age and gender in Iraqi patients

Comparison

Blood

group

OR

95% CI

p

pc

Male cases vs. male controls

O

Reference

   

A

1.65

1.24–2.21

0.001

0.006

B

1.43

1.03–1.98

0.037

1.000

AB

1.66

1.08–2.55

0.024

0.144

Female cases vs. female controls

O

Reference

   

A

0.83

0.59–1.16

0.306

1.000

B

0.89

0.61–1.30

0.565

1.000

AB

1.08

0.65–1.79

0.797

1.000

  1. OR odds ratio, CI confidence interval, p logistic regression probability adjusted for age and gender, pc Bonferroni corrected p. Significant p value is bold-marked