Zeitschrift für forensische Forschung

The Frequency of ABO Blood Group among Male Inmates in a Typical Nigerian Prison

Abstract

Minari JB and Mgbada NM

The frequency of ABO blood group was carried out among male inmates in a typical Nigerian prison. This study sought to correlate blood grouping with crime to determine whether a relationship could be established. The results obtained will serve as a platform for instituting awareness to relevant authorities and the public at large. The experiment was carried out at the hospital premises of the Kirikiri medium prison Apapa Lagos Nigeria. A total of 501 male inmates voluntarily provided themselves for this study. Blood was taken by piercing the thumb with a lancet and dropped on the card. The ABO and rhesus blood grouping was determined using felines card method with commercially prepared antisera. The frequency of each blood type was calculated. Among the male inmates charged for various crimes, blood group O+ has the most occurrences, having the highest blood group frequency for stealing, fighting, robbery and rape. Blood group A+ followed, having the highest frequency for inmates charged for fraud and murder. Blood group B+ has the least occurrence, having similar frequency with blood group A for inmates charged for Murder. This study indicates that Blood group O+ had the highest frequency for inmates convicted for the various crimes. Blood type AB+ and AB- had the least frequency. The results obtained were compared with previously published data. Some variations in frequencies were observed. The frequency of ABO and Rhesus blood groups appeared to be stable and consistent with reports from previous studies in Nigeria.