Table 2.

Scores of functional domains of hetalth-related quality of life

Variables		Groups				Intergroup comparison results
		Intervention		Control
		Mean ± SD	No.	Mean ± SD	No.
Physical Function	Pre-intervention	65.49 ± 16.32	34	63.81 ± 17.36	35	P = 0.682*
	Post-intervention	66.27 ± 17.59	34	60.57 ± 18.81	35	P = 0.198*
	Pre- and post-intervention difference	0.78 ± 6.08	34	-3.23 ± 4.94	35	P = 0.002**
Intragroup comparison		P = 0.485****		P < 0.001****
Role Function	Pre-intervention	67.65 ± 26.57	34	65.71 ± 25.86	35	P = 0.805**
	Post-intervention	71.08 ± 25.06	34	65 ± 76 ± 25.81	35	P = 0.337**
	Pre- and post-intervention difference	3.43 ± 7.97	34	-0.95 ± 3.92	35	P = 0.004**
Intragroup comparison		P = 0.020***		P = 0.157***
Emotional Function	Pre-intervention	67.89 ± 22.01	34	66.19 ± 26.73	35	P = 0.961**
	Post-intervention	80.88 ± 16.60	34	66.19 ± 26.19	35	P = 0.014**
	Pre- and post-intervention difference	12.99 ± 10.49	34	0.00 ± 6.06	35	P.0.001**
Intragroup comparison		P < 0.001****		P = 0.861***
Cognitive Function	Pre-intervention	81.37 ± 17.77	34	80.48 ± 20.02	35	P = 0.970**
	Post-intervention	79.41 ± 20.94	34	77.62 ± 20.98	35	P = 0.717**
	Pre- and post-intervention difference	-1.96 ± 8.95	34	-2.85 ± 10.29	35	P = 0.783**
Intragroup comparison		P = 0.206***		P = 0.107***
Social Function	Pre-intervention	76.96 ± 25.62	34	58.57 ± 57.64	35	P = 0.040**
	Post-intervention	77.45 ± 22.05	34	65.71 ± 29.41	35	P = 0.085**
	Pre- and post-intervention difference	0.49 ± 10.44	34	7.14 ± 46.31	35	P = 0.391**
Intragroup comparison		P = 1.000***		P = 0.518***

*Independent-samples t-test **Mann-Whitney U test ***Wilcoxon test ****Paired-samples t-test