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Table 3 Comparison of posterior tibial slope (TS) (x ± s)

From: A novel 3D-printed patient-specific instrument based on “H-point” for medial opening wedge high tibial osteotomy: a cadaver study

 

PSI group

(n = 15)

Control group

(n = 11)

P-value

Preoperative (°)

8.92 ± 0.79

8.72 ± 0.74

0.520

Postoperative (°)

9.01 ± 1.43

10.61 ± 1.35

0.008*

P-value

0.083

0.001

 

Absolute correction error (°)

1.24 ± 0.70

2.18 ± 1.13

0.015*

Absolute correction error within 1° (%)

53.3%

9.1%

 

Absolute correction error within 2° (%)

93.3%

45.5%

 
  1. *Statistically significant difference (P < 0.05)