Frequency of ABO Blood Groups and RhD Factor in Donors of District Nowshera

To screen the donors for the frequency of different blood groups, reason for deferral and comparative analysis of the donation in two consecutive years in the blood bank of Qazi Hussian Ahmed Medical Complex Nowshera, a cross sectional study was carried out from April 25, 2017 to May 5, 2019. A total of 3,429 donors were included in the study. The mean age of donors with standard deviation was 35+ 3.24 years. Three thousand eighteen (88%) of the donors were males. The distribution of RhD+ and RhD- blood groups was 89.90% and 10.09% respectively. The frequency of ‘RhD+ blood groups in target population’ was B: 1226 (35.75%), O: 807 (23.53%), A: 754 (22%) and AB: 296 (8.63%). The frequency of ‘Rh Negative blood groups’ was: B: 139 (4.05%), O: 95 (2.77%), A:84 (2.45%) and AB: 28 (0.82%). The packed cell wastage rate in our blood bank was 185 (5.4%). The donor deferral rate was 0.7%. Hepatitis B Virus was the major cause of deferral that was reported in 14 cases followed by HCV Virus in 13 cases. It was concluded that the frequency of ‘Rh-positive blood group’ was B,O,A and AB respectively. Blood Group B was noted in 35% of the donors that counted to be the major prevalent Rh positive blood group in our population. Regarding the Rh Negative blood group, again the frequency was B,O,A and AB. Blood group B- was prevalent as a major negative blood group in our population that was recorded in 4.05% cases. The seroprevalence of hepatitis in the donors was 0.7%.