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Table 4 Multiple regression models for 4-years KSS-F scores

From: Surgically modifiable factors measured by computer-navigation together with patient-specific factors predict knee society score after total knee arthroplasty

  Dependent variable Step Predictors included Predictors excluded R2 Adj. R2 F p* B p**
1st Model (only SMF) 4-years KSS-F 1 All six 0.20 0.12 2.6 0.02   
  2   FOClat 0.20 0.13 3.1 0.01   
  3 FJLCmin FJLCmax 0.18 0.13 3.7 0.009 1.7 0.02
   TCS       2.8 0.04
   FGDM-L      3.7 0.03
   FOCmed      -1.3 0.05
2nd Model (only PSF) 4-years KSS-F 1 All four 0.11 0.07 11.4 0.04   
  2   BMI 0.11 0.08 3.5 0.01   
  3 Age Pre-OP KSS-F 0.11 0.08 5.1 0.008 -0.2 0.04
    Body Weight      -0.6 0.03
3rd Model (combination of PSF and SMF) 4-years KSS-F 1 BMI 0.20 0.14 3.4 0.007 -0.7 0.02
   Age      -0.7 0.001
   Pre-OP KSS-F      0.04 0.5
   TCS      2.2 0.1
   FOCmed      -0.7 0.2
  1. p* = Statistical significance of the model; B = Unstandardized Coefficients; p** = Statistical significance of the predictors included in the final model
  2. Significant p-values in bold; SMF Surgically modifiable factors, PSF Patient-specific factors