gross score
3.All cases were followed up for 6 to 39 months and the therapeutic effect were evaluated according to Maryland Foot Score System. Results The joint function was common in 2 ,excellent in 2 calcaneus,good in 10 calcanneus, and the satisfactory rate was 85.7% in SandersⅡtype and the figure was 4,4,10,77.8% in Sanders Ⅲ type, the gross satisfactory rate was 81.3%.

