Short-Term Efficacy of High-Intensity Laser Therapy in Alleviating Pain in Patients with Knee Osteoarthritis: A Single-Blind Randomised Controlled Trial

Table 1

Baseline demographic and clinical characteristics of the participants.

Baseline characteristics	HILT (n = 21)	Control (n = 21)	value
Mean age (SD), years	66.1 (9.4)	65.0 (8.5)	0.668
BMI. mean (SD), kg/m^2	28.1 (5.2)	27.4 (5.8)	0.676
Sex, number of patients (%)
Female	18 (85.7)	16 (76.2)	0.697
Male	3 (14.3)	5 (23.8)
KOA severity (KL classification),			0.559
Number of patients (%)
2	6 (28.6)	8 (38.1)
3	8 (38.1)	9 (42.9)
4	7 (33.3)	4 (19.0)
VAS, mean (SD)	7.02 (1.47)	6.54 (1.76)	0.349
T-WOMAC, mean (SD)	116.09 (35.92)	99.57 (31.04)	0.119

BMI, body mass index; HILT, high-intensity laser therapy; KL, Kellgren and Lawrence; T-WOMAC, the modified Thai version of Western Ontario and McMaster Universities Osteoarthritis Index; VAS, visual analogue scale.