Official Journal of the Italian Society of Orthopaedics and Traumatology
From: Surgical treatment of displaced intra-articular calcaneal fractures: is bone grafting necessary?
Criteria for roentgenographic subtalar joint reduction [24] | Arthrosis rating scale |
---|---|
Anatomic, no articular incongruity whatsoever | 0 Normal |
Near-anatomic, <3 mm of articular incongruity or gapping between fragments | I Osteophyte only II Osteophyte with subchondral cysts and normal joint space |
Approximate, 3–5 mm of articular incongruity or gapping between fragments | III Grade II + mild narrowing of the joint space |
Failure, >5 mm of articular incongruity or gapping between fragments | IV Severe joint-space narrowing V Fused |