Research Article

Efficacy of Acupoints Dual-Frequency Low-Level Laser Therapy on Knee Osteoarthritis

Table 1

Baseline characteristics and clinical evaluation indicators of the subjects in the two groups.

ALT groupPLT group value

Age (year)70.53 ± 6.8969.73 ± 6.91
BMI (kg/m2)26.61 ± 4.3325.98 ± 2.71
Duration of knee pain (month)136.40 ± 84.08129.20 ± 57.23
SexMale (number)12
Female (number)1413
K-L grade2 (number)1114
3 (number)1615
4 (number)31

Lequesne index11.93 ± 4.5512.23 ± 4.14
Conscious VAS for moving knee6.67 ± 2.166.93 ± 1.79
Conscious VAS for resting knee3.00 ± 1.933.33 ± 1.68
Pes anserinus tendon PPT (Kg)11.71 ± 1.8611.81 ± 1.89

Data are expressed as mean ± SD; ALT, active laser treatment; PLT, placebo laser treatment; BMI, body mass index; K-L grade, Kellgren—Lawrence radiographic grade of knee OA; VAS, visual analog scale; PPT, pain pressure threshold.