Table 3.

Evaluation criteria

Criteria for roentgenographic subtalar joint reduction (Sanders 1993)	Arthrosis rating scale (Allmacher 2006)
Anatomic, no articular incongruity whatsoever	0 Normal
Near-anatomic, < 3 mm of articular incongruity or gapping between fragments	I Osteophyte only
Approximate, 3-5 mm of articular incongruity or gapping between fragments	II Osteophyte with subchondral cysts and normal joint space
Failure, > 5 mm of articular incongruity or gapping between fragments	III Grade II + mild narrowing of the joint space
	IV Severe joint space narrowing
	V Fused