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Distributions of ABO blood types of Chinese military medical students according to their hometown residencya
| Origin | No. of samples | No. (%) of subjects with blood type:
|
|||
|---|---|---|---|---|---|
| A | B | AB | O | ||
| Rural area | 285 | 58 (20.4) | 100 (35.1) | 34 (11.9) | 93 (32.6) |
| Village | 128 | 29 (22.7) | 51 (39.8) | 5 (3.9) | 43 (33.6) |
| City | 175 | 43 (24.6) | 65 (37.1) | 19 (10.9) | 48 (27.4) |
| Total | 588 | 130 (22.1) | 216 (36.7) | 58 (9.9) | 184 (31.3) |
Tested by χ2 test (P > 0.05).
