Study Of Blood Group Analysis And Its Correlation With Lymphopenia In COVID 19 Infected Cases Our Experience In Teritary Care Hospital.

AIMS AND OBJECTIVESTo study the distribution and frequencies of ABO and Rhesus (Rh) blood groups among confirmed cases of Covid-19 infection. We also studied the relation between ABO blood group system and lymphopenia and studied the gender association in COVID-19 patients. METHODESA hospital based retrospective study was conducted at Government Medical College Suryapet from 01 Aug 2020 to 30 Sep 2020. A total of 200 Covid cases were included in the study who came to the hospital with the complaints of Fever, Sore throat, Body Pains, Cough, Breathlessness, Diarrhoea etc. Patients confirmed Covid infection was tested for blood grouping and RH typing by using forward blood grouping with the help of commercially available standard monoclonal antisera. CBP was processed in sysmax 5 part Haematology analyser. Blood group frequency was tested also assed the gender association, Covid patients presents with lymphopenia the relation between the ABO blood group and lymphocyte count was determined. RESULTSMales were more compared to the females .Middle aged group male patients were more commonly involved. Most predominant blood group was group B 79(39.5%), group O 78(39%),group A 37(18.5%), group AB 6(3%),most of them were 190 (95%)Rh positive, only 10 Rh negative (5%).To assess the Lymphopenia in our study we divided the absolute lymphocyte count into 5 groups. Group 1 cases are more 58 (29%), Group 2 91(45.5%), Group 3 30 (15%), Group 4 16(8%), Group 5 5(2.5%). CONCLUSIONMale patients with blood group B were more compared to other blood groups however more number of studies are necessary to confirm these findings in a larger sample and among individuals of different ethnicities.