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Table 1 The correlations and RMS differences between the kinematic variables before and after the surgery

From: The biomechanical effect of different posterior tibial slopes on the tibiofemoral joint after posterior-stabilized total knee arthroplasty

 

PTS of 3°

PTS of 6°

PTS of 9°

FER (°)

 Correlations (r)

0.705

0.725

0.711

 RMS differences

9.9

10.1

10.1

PFT (mm)

 Correlations (r)

0.935

0.942

0.941

 RMS differences

7.4

6.9

6.7

M_PFT (mm)

 Correlations (r)

0.955

0.957

0.952

 RMS differences

2.8

2.4

2.3

L_PFT (mm)

 Correlations (r)

0.916

0.927

0.928

 RMS differences

12.1

11.7

11.4

  1. FER the femoral external rotation, PFT the posterior femoral translation of the condyle center, M_PFT the posterior femoral translation of the medial condyle, L_PFT the posterior femoral translation of the lateral condyle