Effects of photobiomodulation and a physical exercise program on the expression of inflammatory and cartilage degradation biomarkers and functional capacity in women with knee osteoarthritis: a randomized blinded study

Table 2 Means and SD of Western Ontario and McMaster Universities Osteoarthritis Questionnaire

Variables	ESP (n = 13)						EAP (n = 13)						CG (n = 10)
	Baseline			8-week			Baseline			8-week			Baseline			8-week
	Mean		SD	Mean		SD	Mean		SD	Mean		SD	Mean		SD	Mean		SD
WOMAC pain	7.43	±	3.48	3.36	±	2.87 *	10.36	±	2.76 ^a	4.79	±	4.51 *	9.1	±	4.33	7	±	4.27 ^a
WOMAC stiffness	3.21	±	2.51	1.21	±	1.48 *	2.57	±	1.55	1.43	±	1.28 *	3.2	±	2.35	1.7	±	1.7 *
WOMAC function	23	±	11.36	9.5	±	7.38 *	30.5	±	7.79 ^a	16.14	±	10.7 *	21.3	±	9.25 ^b	19.8	±	11.45 ^a
WOMAC total score	33.64	±	15.92	14.07	±	10.99*	43.43	±	9.89	22.36	±	15.49*	33.60	±	9.86	28.50	±	15.95 ^a

ESP exercise and sham PBM group, EAP exercise and active PBM group, CG control group, WOMAC: Western Ontario and McMaster Universities Osteoarthritis
^*statistical significance between in the baseline and in the 8-week
^astatistical significance from ESP group in the same condition
^bstatistical significance from EAP group in the same condition

ISSN: 2523-3106