| Blood Group | Frequency | Percent |
| A+ | 96 | 22.1 |
| A− | 4 | 0.9 |
| B+ | 107 | 24.6 |
| B− | 3 | 0.7 |
| AB+ | 34 | 7.8 |
| O+ | 170 | 39.1 |
| O− | 6 | 1.4 |
| Do not know | 15 | 3.4 |
| Total | 435 | 100.0 |