Table 2 The AOFAS ankle–hindfoot scores of the included cases

Pain (max., 40 points)

20

40

Activity limitations (max., 10 points)

4

10

Walking distance (max., 5 points)

4

4

Walking surface (max., 5 points)

3

3

Gait abnormality (max., 8 points)

4

8

Alignment (max., 10 points)

5

10

Total score (max., 78 points)

40.0 ± 3.8

75.0 ± 3.0