Ethnic groups Rh-blood groups A B AB O Total
Amhara Male+
Female+
Male-
Female-
17 (22.97%)
3 (4.05%)
1 (1.35%)
1 (1.35%)
15 (20. 27%)
4 (5.41%)
3 (4.05%)
-
2 (2.70%)
-
-
-
24 (32.43%)
2 (2.70%)
2 (2.70%)
-
58 (78.38%)
9 (12.16%)
6 (8.11%)
1 (1.35%)
SNNP Male+
Female+
Male-
Female-
8 (20.51%)
2 (5.13%)
-
-
9 (23.08%)
3 (7.70%)
1 (2.56%)
1 (2.56%)
1 (2.56%)
-
-
-
8 (20.51%)
5 (12.82%)
-
1 (2.56%)
26 (66.67%)
10 (25.64%)
1 (2.56%)
2 (5.13%)
Oromia Male+
Female+
Male-
Female-
12 (23.08%)
5 (9.62%)
-
-
6 (11.54%)
4 (7.70%)
1 (1.92%)
1 (1.92%)
1 (1.92%)
1 (1.92%)
-
1 (1.92%)
16 (30.77%)
3 (5.77%)
1 (1.92%)
-
35 (67.31%)
13 (25.00%)
2 (3.85%)
2 (3.84%)
Gambela Peoples Male+
Female+
Male-
Female-
1 (20.00%)
-
-
-
2 (40.00%)
-
-
-
-
-
-
-
2 (40. 00%)
-
-
-
5 (100.00%)
-
-
-
Tigray Male+
Female+
Male-
Female-
3 (30.00%)
-
-
-
2 (20.00%)
-
-
-
-
-
-
-
3 (30.00%)
1 (10.00%)
1 (10.00%)
-
8 (80.00%)
1 (10.00%)
1 (10.00%)
-
Table 3: Rh blood group distribution based on sex among ethnic groups of 180 Physics students of Dilla University, Ethiopia