Distribution of blood groups in population of Lehtrar road Islamabad

ABSTRACT

To determine the frequency of various blood groups in the population of Lehtrar road Islamabad and to compare the results with national and international studies. This cross sectional observational study was conducted at Rawal Institute of Health Sciences [RIHS], from Nov 01, 2011 till Nov 30, 2012. A total of 1,739 subjects including both male and females were analyzed. Blood was collected and ABO and Rh blood groupings were carried out by standard tube method using commercially prepared antisera and frequency of ABO and RhD blood groups was determined. Among ABO blood groups the most frequent was B [33.5%], followed by O [31.3%], A [22.5%] and AB [12.41%], group respectively. Among Rh +ve cases, blood group B was the most frequent with 542 [31.1%] individuals; however among Rh -ve individuals the most frequent blood group was O [63[3.6%]]. The current study revealed that blood group B is the most frequent blood group among the ABO blood group system with dominant RhD positivity in this region