Table 3 Correlations between surgically modifiable factors (SMF) and 4-years KSS-F scores

Femoral Joint Line Change max (FJLCmax)

.25 ^*

Femoral Joint Line Change min (FJLCmin)

.29 ^*

.52^*

Femoral Component Slope (FS)

-.04

-.06

-.23^*

Tibial Joint Line Change (TJLC)

-.02

-.37^*

-.16

-.14

Tibial Component Slope (TCS)

.22 ^*

.07

-.02

.30^*

-.00

Extension Gap Size Medial (EGSmed)

.05

.07

-.00

.00

-.24^*

-.02

Extension Gap Size Lateral (EGSlat)

.03

.32^*

-.17

.17

-.33^*

.14

.20

Extension Gap Difference Med-Lat (EGDM-L)

.08

-.04

.13

-.02

.00

.03

-.22^*

.31^*

Flexion Gap Size Medial (FGSmed)

.05

-.29^*

-.15

.08

.17

-.09

-.07

-.16

-.11

Flexion Gap Size Lateral (FGSlat)

-.04

-.30^*

-.02

.08

.13

-.12

-.08

-.18

-.03

.71^*

Flexion Gap Difference Med-Lat (FGDM-L)

.16 ^**

.05

.06

-.01

.09

.04

.00

.05

.08

.05

-.41^*

Flexion-Extension Gap Difference (FEGD)

-.02

-.36^*

-.02

-.03

.37^*

-.07

-.34^*

-.53^*

-.02

.54^*

.62^*

-.18

Femoral Offset Changes Medial (FOCmed)

-.17 ^**

.25^*

.11

-.00

-.36^*

.05

.26^*

.17

-.02

-.29^*

-.54^*

.31^*

-.45^*

Femoral Offset Changes Lateral (FOClat)

-.14 ^**

.33^*

.12

-.00

-.33^*

.07

.25^*

.23^*

.03

-.36^*

-.50^*

.30^*

-.45^*

.90^*

Femoral Rotation (FR)

.05

.16

.07

-.03

.16

-.01

-.08

.05

.09

-.05

.18

-.04

.08

-.33^*

.08

Mean ± SD

85.2 ± 15.6

1.5 ± 1.9

0.7 ± 2.3

0.1 ± 1.2

3.0 ± 1.7

3.9 ± 1.1

0.6 ± 1.2

1.7 ± 2.1

1.9 ± 1.4

3.1 ± 1.4

2.8 ± 1.6

0.7 ± 0.9

2.2 ± 1.6

2.6 ± 2.7

0.3 ± 2.5

3.4 ± 1.3