| Groups | Cases | Male | Female | X2 value | P value |
| COVID-19 group | 106 | 54 | 52 | 0.0755 | 0.7835 |
| H1N1 group | 164 | 104 | 60 | 23.6098 | 0.0071 |
| X2value | — | 4.1253 | — | — | |
| P value | — | 0.0422 | — | — | |