Blood group types | Frequency n (%) | p values | Severe cases n (%) | p values |
---|---|---|---|---|
O Positive | 187 (38.5) | Â | 64 (34.22) | Â |
O Negative | 49 (10.1) |  < .00001* | 36 (73.47) |  < .00001* |
A Positive | 98 (20.2) | Â | 35 (35.71) | Â |
A Negative | 29 (6.0) |  < .00001* | 19 (65.51) |  < .00001* |
B Positive | 41 (8.4) |  < .00001* | 21 (51.21) |  < .00001* |
B Negative | 27 (5.6) |  < .00001* | 17 (62.96) |  < .00001* |
AB Positive | 33 (6.8) |  < .00001* | 18 (54.55) |  < .00001* |
AB Negative | 22 (4.5) |  < .00001* | 12 (54.55) |  < .00001* |