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Table 4 Joint Line Evaluations

From: Joint line reestablishment in revision total knee arthroplasty

Joint Line Elevation
  ≤ 4 mm > 4 mm p
Mean ± SD Mean ± SD  
ASa
Flexion 104.3 ± 11.6 90.7 ± 11.0 0.010
Extension 2.17 ± 4.73 3.6 ± 3.8 0.166
ROMb 101.3 ± 12.4 87.1 ± 13.2 0.014
KSSc Knee 77.8 ± 15.5 43.7 ± 26.5 0.004
KSS Function 77.2 ± 17.5 47.9 ± 22.7 0.003
WOMACd 12.8 ± 10.5 29.7 ± 19.4 0.016
Difference between AS and BSe
Flexion 25.7 ± 18.5 24.3 ± 18.8 0.866
Extension 9.1 ± 7.0 7.9 ± 2.7 0.271
ROM 33.9 ± 23.3 33.6 ± 19.1 0.972
KSS Knee 67.7 ± 18.6 38.6 ± 23.6 0.002
KSS Function 56.7 ± 19.5 33.6 ± 23.0 0.013
WOMAC 70.2 ± 15.6 53.1 ± 22.2 0.030
  1. aAfter surgery, bRange of Motion, cKnee Society Score, dWestern Ontario and McMaster Universities Osteoarthritis Index, eBefore surgery