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Table 2 Comparison of radiological outcomes

From: Effect of medial open wedge high tibial osteotomy on progression of patellofemoral osteoarthritis

Parameters

Non-PF OA group

(n = 83)

PF OA group

(n = 83)

p-Value

Mean mechanical axis (°)

   

 Preoperative

5.89 ± 2.85

6.05 ± 2.66

0.550

 Last follow-up

−0.96 ± 2.08

−0.56 ± 3.15

0.393

 Correction angle

6.85 ± 3.11

6.62 ± 3.65

0.376

Mean weight-bearing line ratio

   

 Preoperative

0.23 ± 0.11

0.21 ± 0.12

0.379

 Last follow-up

0.53 ± 0.10

0.53 ± 0.13

0.849

Mean posterior tibial slope (°)

   

 Preoperative

9.83 ± 3.79

10.23 ± 3.39

0.307

 Last follow-up

10.89 ± 4.16

11.12 ± 3.40

0.742

 ΔPTSA

1.06 ± 3.46

0.88 ± 4.04

0.696

  1. The p-values are of intergroup comparisons, with p < 0.05 indicating significance. PF OA patellofemoral osteoarthritis, correction angle difference in mechanical axis angle, ΔPTSA difference in posterior tibial slope angle