Table 3.

Scoring Criteria Using the International Cartilage Repair Society Score to Assess the Integration of the Scaffold into the Joint

Characteristic	Grading	Score
Degree of defect repair	Level with surrounding cartilage	4
	75% repair of defect depth	3
	50% repair of defect depth	2
	25% repair of defect depth	1
	0% repair of defect depth	0
Integration to border zone	Complete integration with border zone	4
	Demarcating border <1 mm	3
	¾ of graft integrated, ¼ with notable border >1 mm	2
	½ of graft integrated with surrounding cartilage, ½ with a notable border >1 mm	1
	From no contact to ¼th of graft integrated with surrounding cartilage	0
Macroscopic appearance	Intact smooth surface	4
	Fibrillated surface	3
	Small, scattered fissures or cracks	2
	Several small or few but large fissures	1
	Total degeneration of grafted area	0
Total		12