Table 2 The results of multivariable linear and logistic regression models
One year outcome | |||||
|---|---|---|---|---|---|
Multivariable linear regression models | Multivariable logistic regression model | ||||
TUG | KOOS-ADL (range 0–100) | VAS-pain (binary) | |||
Predictor | Regression coëfficient [95% CI], p-value | Predictor | Regression coëfficient [95% CI], p-value | Predictor | Odds ratio [95% CI], p-value |
Class: “low gain group” versus “moderate gain group” | 3.31 [1.52, 5.09], p < 0.01 | Class: “gain group” versus “moderate gain group” | 11.97 [8.62, 15.33], p < 0.01 | Class: “normal decrease of pain” versus “no/very little pain” | 0.92 [0.17,4.84], p = 0.58 |
Class: “gain group” versus “moderate gain group” | −0.56 [−1.75, 0.64], p = 0.36 | Class: “sustained pain” versus “no/very little pain” | 0.11 [0.03,0.42], p = 0.01 | ||
Age (year) | 0.00 [−0.03, 0.03], p = 0.96 | Age (year) | 0.18 [−0.03, 0.39], p = 0.10 | Age (year) | 0.95 [0.88,1.04], p = 0.07 |
Gender | −0.09 [− 0.58, 0.41], p = 0.73 | Gender | 2.40 [−1.17, 5.98], p = 0.19 | Gender | 0.45 [0.13,1.51], p = 0.63 |
BMI | −0.03 [− 0.10, 0.04],p = 0.36 | BMI | 0.13 [− 0.38, 0.64], p = 0.62 | BMI | 1.08 [0.9,1.3], p = 0.66 |
Model R2 | 0.14 | Model R2 | 0.20 | Model R2 | 0.08 ⊗ |