From: Outcomes of intra-articular calcaneal fractures: surgical treatment of 114 consecutive cases at a maximum care trauma center
Sanders
Rate of subtalar arthrodesis
n
I (n = 3)
0 (0%)
II (n = 18)
6 (33%)
III (n = 32)
3 (9%)
IV (n = 52)*
14 (27%)
unknown (n = 24)
4 (17%)