Preoperative

Böhler’s angle

Sanders classification

−0.178

0.003


The difference value of Böhler’s angle between bilateral calcaneus

Sanders classification

−0.174

0.004


The change in Böhler’s angle by ratio

Sanders classification

−0.172

0.005

Preoperative

Böhler’s angle

Functional outcome

0.086

0.156


The difference value of Böhler’s angle between bilateral calcaneus

Functional outcome

0.085

0.161


The change in Böhler’s angle by ratio

Functional outcome

0.100

0.101

Postoperative

Böhler’s angle

Functional outcome

0.223

<0.001


The difference value of Böhler’s angle between bilateral calcaneus

Functional outcome

0.224

<0.001


The change in Böhler’s angle by ratio

Functional outcome

0.220

<0.001
