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Table 3 Computed tomography classification of osteochondral defects of the talus [52].

From: Pulsed electromagnetic fields after arthroscopic treatment for osteochondral defects of the talus: double-blind randomized controlled multicenter trial

Grade Description
I Compression
II Partially fractured but undisplaced
III Completely fractured but undisplaced
IV Displaced fracture
V Radiolucent (fibrous) defect