Table 2. Correlation between cognitive function, physical function and HRQOL (n=140).

	Cognitive function	Strength	Endurance	Reaction	Balance	Physical HRQOL	Mental HRQOL	Total HRQOL
Cognition function	1	0.03	0.39**	0.51**	0.33**	0.23*	0.24**	0.21*
Strength		1	0.63**	0.33**	0.41**	0.35**	0.15	0.20*
Endurance			1	0.13	0.38**	0.23*	0.35**	0.14
Reaction				1	0.35**	0.71**	0.41**	0.35**
Balance					1	0.33**	0.31**	0.50**
Physical HRQOL						1	0.75**	0.96**
Mental HRQOL							1	0.90**
Total HRQOL								1

*Significant difference (p<0.05), **Significant difference (p<0.01). HRQOL: health-related quality of life