Table 4.
Correlation analysis of KSS 2011 and other factors (simple and multivariable linear regression analysis) (mean ± SD)
| Factor | Simple | Multivariable | ||
|---|---|---|---|---|
| Coefficient | p value | Coefficient | p value | |
| Age | −0.45 ± 0.11 | < 0.001† | −0.30 ± 0.12 | 0.011* |
| Sex | 0.74 ± 2.87 | 0.796 | Excluded by a stepwise method | |
| Height | 0.19 ± 0.16 | 0.218 | ||
| Weight | −0.12 ± 0.12 | 0.309 | ||
| BMI | −1.22 ± 0.43 | 0.005* | −1.47 ± 0.42 | < 0.001† |
| Leg strength | 0.42 ± 0.14 | 0.003* | 0.41 ± 0.13 | 0.002* |
| Up and Go | −3.42 ± 0.87 | < 0.001† | −1.96 ± 0.92 | 0.034* |
* Significant risk ratio (p < 0.05); †significant risk ratio (p < 0.001); KSS 2011 = 2011 The Knee Society Score®; BMI = body mass index; Up and Go = Timed Up and Go Test.