Table 1: Baseline patient characteristics.

CharacteristicActive
( )
Control
( )
value*

Age (mean age ± SD)64.1 ± 7.567.4 ± 8.60.53
Females (%)75690.17
Kellgren and Lawrence (K&L)
 K&L Grade 2 (%)17.518.8
 K&L Grade 3 (%)25.031.20.77
 K&L Grade 4 (%)57.550.0

K&L: Kellgren and Lawrence radiographic grading scale for knee osteoarthritis.
was considered statistically significant.
Groups showed no significant differences at the baseline.