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

Table 6 Correlations between SMF, PSF and 4-years KSS-Knee scores

Potential predictors surgically modifiable variables	KSS-K
Femoral Joint Line Change max (FJLCmax)	.18^**
Femoral Joint Line Change min (FJLCmin)	.12^**
Femoral Component Slope (FS)	.06
Tibial Joint Line Change (TJLC)	-.06
Tibial Component Slope (TCS)	.18^**
Extension Gap Size Medial (EGSmed)	.06
Extension Gap Size Lateral (EGSlat)	.16^**
Extension Gap Difference Med-Lat (EGDM-L)	.21^**
Flexion Gap Size Medial (FGSmed)	.01
Flexion Gap Size Lateral (FGSlat)	-.09
Flexion Gap Difference Med-Lat (FGDM-L)	-.09
Flexion-Extension Gap Difference (FEGD)	-.16^**
Femoral Offset Changes Medial (FOCmed)	-.11^**
Femoral Offset Changes Lateral (FOClat)	-.07
Femoral Rotation (FR)	.11^**
Patient-specific factors
Body weight	-.11
Body height	-.04^**
BMI	-.09^**
Age	.00
KSS-K Preoperatively	-.17^*
Maximal knee Flexion (MKF) Preoperatively	-.04
Mean (KSS-K) ± SD	87.2 ± 10.3

Potential predictors with a statistically significant linear relationship for ^(*) p< 0.5 or ^(**) p< .20 in bold

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