Background: Evaluation of blood groups, bleeding and clotting time are the most important and initial hematological parameters done routinely and especially before any surgical procedure. Researches indicate that various gastrointestinal diseases like ulcers, cancers, UTIs, cardiovascular disorder , diabetes mellitus as well as thrombosis, epistaxis etc. are associated with ABO blood group system. Hemostatic parameters like BT and CT also vary in different blood groups.
Materials and methods: The available data of 400 students of 1st year of mbbs, bds and para medical courses was analyzed in every required aspects i.e. sex, age, ABO and Rh blood groups, bleeding and clotting times. The standard antisera (A, B, & D) was used to determine the blood group, Duke’s Method and Capillary tube method were used to find out bleeding and clotting time respectively. Finally, all the parameters were compared and analyzed statistically.
Results: Blood group B (44.5%) was the most common blood group in both genders followed by O (30.5%), A (21%), and AB (4%). Bleeding time was found to be prolonged >4 min in maximum number of group O (53%) followed by group A (26.4%), group B (14.2%), and then group AB(6.1%) but the difference was statistically significant (p = 0.00005). Similarly clotting time was >6 min in group O(54.5%) followed by group B=A(18.1%), group least in AB (9%), but the difference was statistically significant (p = 0.19). Gender-wise bleeding time was more prolonged in females (67.3%) than males (32.6%) but the difference was statistically insignificant (p = 0.07), similarly clotting time too was prolonged more in females (81%)than males (18.2%) but again the difference was statistically significant (p = 0.04).
Conclusion : In our study, blood group B predominated followed by O, A, and AB. Bleeding time was prolonged >4 min in blood group O followed by A,B, and AB whereas clotting time was prolonged >6 min in blood group O followed by A=B and then AB. Gender-wise bleeding and clotting time were higher in females than males.
Various blood related disorders, cardiovascular and gastrointestinal diseases are associated with blood groups, so people can take preventive measures according to their blood groups.