GSTM1 and atrial fibrillation: While, significantly low platelet count, hypoalbuminemia and Hb% were noted among AF group as compared with MF group; 148.8 (69.6) vs. 178.3 (77.5), 3.7 (0.8) vs. 4.3 (0.53) and 12.1 (2.4) vs. 13.2 (2.4), respectively.