Table 2 Estimated frequencies of ABO blood group alleles in COVID-19 cases and controls
Group | Allele frequency (standard deviation) | Hardy-Weinberg equilibrium | ||||
|---|---|---|---|---|---|---|
p[A] | q[B] | r[O] | Log likelihood | Chi-square | p | |
Cases | 0.265 (0.010) | 0.178 (0.009) | 0.557 (0.012) | − 1323.8 | 3.078 | 0.075 |
Controls | 0.235 (0.011) | 0.166 (0.009) | 0.599 (0.013) | − 1155.1 | 2.535 | 0.111 |