Ahmed Khurshid Pasha, Muhammad Mujtaba Hashir, Shireen Khawar.
Frequency of ABO blood groups among medical students.
J Surg Pak Jan ;14(2):93-5.

Objective To find out the frequency of ABO blood groups among medical students. Study design Cross sectional study. Place & Duration of study At the Department of Physiology and Medicine at Nishtar Medical College (NMC) Multan , from March 2008 to May 2008. Subjects and Methods 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. Results 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. Conclusion The study showed that blood group B was more common among the students.

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