Blood Group All cases Male (n=170) Female (n=135)
A 66 (21.6%) 32 (18.8 %) 34 (25.2%)
B 80 (26.2%) 49(28.8%) 31 (23%)
AB 15 (4.9 %) 9 (5.3 %) 6 (4.4%)
O 144 (47.2%) 80(47.1%) 64 (47.4%)
n= No. of subjects
Table 2: The frequency distribution of blood groups A, B, AB and O among the male and female subjects (P>0.05).