Table 5 Comparison between the postoperative posterior tibial slope after virtual osteotomy with each sagittal osteotomy inclination angle and preoperative posterior tibial slope (8.9 ± 3.2°) measured in the original preoperative tibial model.

From: Effect of the sagittal osteotomy inclination angle on the posterior tibial slope change in high tibial osteotomy: three-dimensional simulation study

Sagittal osteotomy inclination angle

− 30°

− 25°

− 20°

− 15°

− 10°

− 5°

0°

5°

10°

15°

20°

25°

30°

Posterior tibal slopea

6.9 ± 3.3

7.3 ± 3.4

7.7 ± 3.4

8.2 ± 3.4

8.4 ± 3.4

8.7 ± 3.3

8.9 ± 3.3

9.1 ± 3.4

9.6 ± 3.4

10.1 ± 3.5

10.6 ± 3.6

10.9 ± 3.6

11.3 ± 3.6

p valueb

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001

0.056

0.994

0.281

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001

  1. aThe values are presented as mean ± standard deviation.
  2. bAnalyzed by paired t-test.
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