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 |