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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