Frequency of ABO blood groups among medical students

ABSTRACT

To find out the frequency of ABO blood groups among medical students. Cross sectional study. At the Department of Physiology and Medicine at Nishtar Medical College [NMC] Multan, from March 2008 to May 2008. All the medical students of the first year were included in the study. Blood was collected by finger prick method. A drop of monoclonal anti-A, anti-B was added to a drop of finger prick blood on clean glass slide and mixed well. Results of agglutination were recorded immediately. There were a total of 221 students of whom 106 were females and 115 males. Frequency of different blood groups were as follows; A 31.3%, AB 6.7%, B 42.1% and O 29.9%. The distribution of blood groups among females [F] and males [M] was as follows Group A 46.8% F, 53.2% M; Group AB 13.3% F, 86.7% M; Group B 55.9% F, 44.1% M and Group O 45.5% F, 54.5% M. The study showed that blood group B was more common among the students