Figure 2: (a) Spider gram shows differences in short form-36 domains between two groups. PA = Physical function; VT = Vitality; MH = Mental health; PR = Physical role; GH = General health; SP = Social function; BP = Bodily pain; ER = Emotional role; QL = Quality of life. (b) Comparison of two major dimensions of quality of life. PCS = Physical component summary; MCS = Mental component summary; Exp = Experimental; Con = Control