| Characteristics | Frequency (%) | Chi-square (χ2) | p-value |
| a) Sex Distribution of Donors | |||
| Male | 195 (97.5) | 131.64 | 0.001 |
| Female | 5 (2.5) |
|
|
| Total | 200 (100.0) |
|
|
| b) Age Distribution of Donors | |||
| ≤25 | 40 (20.0) | 64.50 | 0.001 |
| 26 - 35 | 110 (55.0) |
|
|
| 36 - 45 | 50 (25.0) |
|
|
| Total | 200 (100.0) |
|
|