GSTM1 and anemia: Showing results of the study with all the parameters analyzed for acute stroke length of stay (LOS). Arm A included patients with LOS≤10 days and arm B included Patients with LOS>10 days. Anemia is defined as Hemoglobin (Hb)<12 gm%. Platelet counts are expressed as 1000/microliter. Results are expressed as absolute numbers or as median±standard deviation in the study.