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Table 5 Radiological outcome in both groups after TKA

From: The effect of high tibial osteotomy on the results of total knee arthroplasty: a matched case control study

   Index* Control* Significance
Alignmenta   5.0° (-4 – 14) 6.0° (-4 – 9) NS
Femoral componentb   2.0° (-3 – 8) 2.0° (-5 – 8) NS
Tibial componentc   7.0° (0 – 12) 12.0° (2 – 20) p = 0.026
Insall – Salvati ratio   1.25 (0.90 – 1.79) 1.10 (0.90 – 1.46) NS
Looseningd Femoral (mm) N = 1 (3) N = 2 (2 + 3) NS
  Tibial (mm) 0 N = 1 (9) NS
  Patella (mm) 0 0 NS
  1. * The values are given as the median (range)
  2. - Negative value indicates varus alignment
  3. a Femorotibial angle (FTA)
  4. b Flexion angle femoral component
  5. c Posterior inclination tibial component
  6. d Loosening according to the Knee Society Roentgenographic Evaluation System