Table 1: Baseline characteristics of subjects.

CharacteristicsNMES + ExEx

5050
Age*
Female4640
Male410
Treated leg
 Right4040
 Left3434
 Both sides2626
BMI*
KL grade
 295.3592.68
 32.334.88
 42.332.44
NRS (0–10)*
TUG Test (seconds)*
WOMAC pain score*
WOMAC stiffness score*
WOMAC function score*

Note. *Data are presented as mean ± SD. Data are presented as %. Abbreviations: BMI: body mass index, KL: Kellgren and Lawrence; NRS: Numerical Rating Scale; TUG: Timed Up and Go; WOMAC: Western Ontario and Mcmaster Universities. NMES + Ex: NMES combined with exercise, Ex: Exercise, NRS: Numerical Rating Scale; TUG: Timed Up and Go Test, WOMAC: Western Ontario McMaster Universities Osteoarthritis Index.