Table 4. Comparison of the mean Quality of Life Scale scores between groups.

QLS sub-dimensions and scores		Experimental group (N=43)	Control group (N=43)	Test and p values
		χ±SD	χ±SD
General sense of health	Pre-test	44.07±31.16	44.93±31.49	U=900.50	0.835
	Post-test	49.09±30.86	43.72±31.28	U=835.00	0.439
Physical function	Pre-test	57.79±31.70	57.56±32.79	U=919.00	0.962
	Post-test	68.60±26.73	57.56±31.31	U=728.50	0.090
Physical role	Pre-test	53.49±43.84	49.42±49.25	U=895.00	0.783
	Post-test	63.95±35.06	46.51±47.43	U=722.00	0.065
Mental role	Pre-test	51.94±27.51	48.84±26.58	U=902.50	0.836
	Post-test	63.57±34.74	47.29±20.87	U=638.00	0.009**
Social function	Pre-test	54.94±28.76	56.40±36.74	U=875.00	0.666
	Post-test	69.48±23.83	55.23±34.96	U=726.00	0.083
Pain	Pre-test	22.88±16.87	24.37±17.01	U=880.00	0.690
	Post-test	29.21±13.67	25.70±16.32	U=825.00	0.361
Vitality	Pre-test	30.47±19.45	33.49±23.54	U=873.00	0.655
	Post-test	41.86±17.22	32.56±24.89	U=678.00	0.033*
Mental function	Pre-test	54.94±28.76	44.28±24.77	U=896.50	0.809
	Post-test	69.48±23.83	45.21±24.51	U=830.00	0.413
Physical health score	Pre-test	40.12±6.98	40.21±6.11	U=899.00	0.826
	Post-test	40.02±6.35	40.33±6.66	U=888.00	0.753
Mental health score	Pre-test	39.38±6.25	38.52±4.62	U=818.00	0.358
	Post-test	40.51±6.34	38.33±4.87	U=715.00	0.070

QLS = Quality of Life Scale; *p<0.05; **p<0.01; conformity of variables with normal distribution was measured with Kolmogorov-Smirnov test, and therefore Mann-Whitney U tests were used