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Table 3 Gene frequency of ABO blood group alleles among coronavirus disease 2019 cases and controls

From: Evaluating of the association between ABO blood groups and coronavirus disease 2019 (COVID-19) in Iraqi patients

Group

Gene frequency (standard deviation)

Hardy-Weinberg equilibrium

p[A]

q[B]

r[O]

Log likelihood

Chi-square

p value

Controls

0.235 (0.013)

0.188 (0.012)

0.577 (0.016)

− 779.7

2.717

0.993

All cases

0.274 (0.020)

0.261 (0.019)

0.465 (0.023)

− 418.4

11.197

0.001

Recovered cases

0.212 (0.030)

0.261 (0.033)

0.526 (0.038)

− 148.4

16.245

< 0.001

Deceased cases

0.601 (0.072)

0.218 (0.051)

0.181 (0.068)

− 40.1

1.756

0.185

  1. p probability