Table 1 Demographic characteristics of study Participants.
From: Association of HLA-B gene polymorphism and blood groups with COVID-19 susceptibility and severity
Group | Number | Mean age ± SD | % Male | % Female |
|---|---|---|---|---|
COVID-19 Cases | 700 | 46.3 ± 13.1 | 68.3% | 31.7% |
Control | 284 | 43.9 ± 11.5 | 65.5% | 34.5% |
Total | 984 | 45.4 ± 12.6 | 67.5% | 32.5% |
