Efficacy of strength exercise or aerobic exercise compared to usual care at 1 year
Knee injury, UC
HAND OSTEOARTHRITIS
There were no statistically significant differences between strength exercise group and usual care group (6.5, 95% CI -0.9 to 14), or between aerobic exercise group and usual care group (5.0, 95% CI -2.7 to 12.8) for KOOS QoL at the 1-year follow-up (Table 
Mean difference between the intervention groups and the usual care group (UC) (95% CI).KOOS; Knee injury and osteoarthritis outcomes core, QoL, knee-related quality of life; ADL, activities of daily living; EQ-5D-5 L, EuroQoL-5 Dimensions 5 Levels, VAS, visual analogue scale: 0 best, 10 worst; Nm, newton meter for involved knee; kg, kilograms (body weight); VO
Knee injury and osteoarthritis outcome score (KOOS) knee-related quality of life (QoL) at three time points