Table 2.
Change (follow-up minus baseline) in knee muscle strength
| Baseline physical dysfunction severity | ||||
|---|---|---|---|---|
| Total group | Mild | Moderate | Severe | |
| Knee extensor strength (Nm/kg) | 0.12 (0.07 to 0.17)* | 0.08 (0.02 to 0.15)* | 0.12 (0.06 to 0.19)* | 0.17 (0.00 to 0.33)* |
| Knee flexor strength (Nm/kg) | 0.05 (0.02 to 0.07)* | 0.03 (−0.02 to 0.07) | 0.05 (0.01 to 0.09) | 0.08 (0.01 to 0.15) |
| WOMAC physical function | −11.07 (−13.59 to −8.54)* | −3.92 (−7.26 to −0.57)* | −14.69 (−18.23 to −11.14)* | −17.18 (−23.04 to −11.32)* |
| WOMAC pain | −10.40 (−13.10 to − 7.70)* | −6.73 (−11.41 to −2.05)* | −10.91 (−14.83 to −6.98)* | −16.59 (−21.76 to −11.44)* |
| VAS pain | −20.80 (−25.33 to −16.27)* | −22.81 (−30.23 to −15.39)* | −18.68 (−25.16 to −12.21)* | −21.58 (−33.74 to −9.42)* |
Data presented as mean (95% confidence interval)
WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, VAS visual analogue scale
*p < 0.05