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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