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| Blood type | ||||
| Anatomic site | O(%) | A(%) | B(%) | AB(%) |
| Head & neck | 29(27.6) | 52(29.2) | 49(30.1) | 8(22.2) |
| Trunk | 45(42.9) | 70(39.3) | 61(37.4) | 16(44.4) |
| Limbs | 31(29.5) | 56(31.5) | 53(32.5) | 12(33.3) |
