Table 2. The demographic and baseline clinical characteristics of patients.
Values are presented as number or mean±standard deviation.
Group L, low-energy (0.040 mJ/mm2) group; group M, medium-energy (0.093 mJ/mm2) group; BMI, body mass index; VAS, visual analogue scale; WOMAC, Western Ontario and McMaster University Osteoarthritis Index.
a)Student t-test.