Table 2. Changes in pain, HRQoL, and fall risk among treatment groups.

	HILT + EX		PL + EX		HILT		PL
	Pre	12 W	Pre	12 W	Pre	12 W	Pre	12 W
Pain level (VAS)*	5.6 ± 1.2	0.7 ± 0.5**	5.3 ± 1.0	1.8 ± 0.7**	5.1 ± 1.0	1.1 ± 0.7**	5.2 ± 1.2	3.6 ± 0.9**
HRQoL*	47.8 ± 5.2	22.5 ± 4.6**	46.2 ± 4.6	28.4 ± 5.5**	45.3 ± 4.4	35.2 ± 5.6**	44.6 ± 5.3	42.4 ± 3.7**
Fall risk*	3.2 ± 0.6	2.2 ± 0.5	2.9 ± 0.9	2.5 ± 0.8	3.2 ± 0.8	3.1 ± 0.7	3.0 ± 0.9	2.9 ± 0.9**

HILT: high intensity laser therapy; EX: exercises; PL: placebo laser; 12 W: 12 weeks, VAS: visual analogue scale, HRQoL: health related quality of life. Data are expressed as mean ± standard deviation. *Significant difference in the post treatment measurement among treatment groups. **Significant difference in each treatment group in post treatment as compared to baseline values.