Table 3 Decomposition of effects from path analysis
Effect | Estimate | Standard error | Standard estimate | 95% CI | P value |
|---|---|---|---|---|---|
Model 1 | |||||
  On VAS pain (R2 = 0.265) | |||||
    KAM | -2.50 | 1.61 | -0.21 | -5.66, 0.67 | 0.12 |
    KFM | 2.26 | 0.89 | 0.35 | 0.51, 4.01 | 0.01 |
    Severity | 1.09 | 0.45 | 0.31 | 0.20, 1.98 | 0.02 |
  On KAM (R2 = 0.365) | |||||
    Varus angle | 0.02 | 0.00 | 0.74 | 0.01, 0.03 | < 0.01 |
    Walking speed | 0.13 | 0.11 | 0.16 | -0.07, 0.34 | 0.21 |
    Severity | -0.07 | 0.05 | -0.23 | -0.16, 0.02 | 0.12 |
  On KFM (R2 = 0.192) | |||||
    Walking Speed | 0.29 | 0.20 | 0.19 | -0.10, 0.68 | 0.15 |
    KAM | -0.71 | 0.24 | -0.40 | -1.17, -0.25 | < 0.01 |
Model 2 | |||||
  On KOOS pain (R2 = 0.036) | |||||
    KAM | -18.06 | 15.04 | -0.19 | -47.53, 11.41 | 0.23 |
    KFM | -7.76 | 8.34 | -0.15 | -24.11, 8.59 | 0.35 |
    Severity | 1.04 | 4.25 | 0.04 | -7.29, 9.38 | 0.81 |
  On KAM (R2 = 0.358) | |||||
    Varus angle | 0.02 | 0.00 | 0.74 | 0.01, 0.03 | 0.02 |
    Walking speed | 0.13 | 0.11 | 0.16 | -0.08, 0.34 | 0.21 |
    Severity | -0.07 | 0.05 | -0.23 | -0.16, 0.02 | 0.15 |
  On KFM (R2 = 0.183) | |||||
    Walking Speed | 0.28 | 0.20 | 0.19 | -0.11, 0.67 | 0.16 |
    KAM | -0.69 | 0.24 | -0.39 | -1.16, -0.23 | < 0.01 |