Table 6. Optimal cut-off value and associated sensitivity and specificity of height at the withers and left front third metacarpal bone diameter to predict osteochondral fragment in tarsocrural, metatarsophalangeal or in any joint.

Traits	OF location	Optimal cut-off Value	Sensitivity	Specificity
Height	TC	156,5 cm	0,762	0,53
	MTP	160,5 cm	0,358	0,822
	Overall	152,5 cm	0,851	0,312
DMCIII	TC	33,05 mm	0,952	0,35
	MTP	35,1 mm	0,491	0,653
	Overall	34,9 mm	0,525	0,649

OF: Osteochondral Fragment; TC: Tarsocrural joint; MTP: Metatarsophalangeal joint; Overall: Any joint examined; DMCIII: Diameter of the third metacarpal bone