Distribution of ABO and Rhesus Blood Groups among Selected Tribes in Adamawa State, Nigeria

Result: Of the 654 subjects tested, 368 (56.2%) were of blood group O, 139 (21.3%) were blood group B, while 116 (17.7%) and 31 (4.7%) were group A and AB respectively. 577 (88.32%) were Rhesus D positive while 77 (11.79%) were Rhesus D negative. When comparing ABO blood group distribution among tribes, O blood group was higher among the Kilba tribe (4.74%) at P<0.05 compare to other tribes. Bura tribe had the highest AB blood group of 1.53%, the A blood group was more in Tangale tribe with 2.60% while B blood group was predominant in Wurkun tribe (3.67%) P<0.05. Kanuri tribe had the highest percentage (5.97%) of Rhesus ‘D’ negative blood group while Fulani, Vere, Hausa and Waja tribes had 2.14%, 2.60%, 0.31% and 0.77% of Rhesus D negative blood respectively.