Male Female  
Blood Group No. of Rh positive (%) No. of Rh negative (%) No. of Rh positive (%) No. of Rh negative (%) Total
B 7726 (34.76%) 386 (36.55%) 12 (35.29%) 2 (50%) 8126 (34.84%)
O 6574 (29.57%) 351 (33.23%) 10 (29.41%) 1 (25%) 6936 (29.75%)
A 4801 (21.60%) 205 (19.41%) 7 (20.58%) 1 (25%) 5014 (21.50%)
AB 3125 (14.06%) 114 (10.79%) 5 (14.70%) 0 (Nil) 3244 (13.91%)
 Grand Total 22226 1056 34 4 23320
Table 1: Distribution of ABO and Rh blood groups between male and female.