Development of a salmon-derived crosslinked atelocollagen sponge disc containing osteogenic protein-1 for articular cartilage regeneration: in vivo evaluations with rabbits

Table 1 Gross appearance

	Group I	Group II	Group III	P value
Total score	13.2 (2.6)^{a, b}	11.0 (2.2)^b	8.1 (1.8)	< 0.0001
Sub score
Coverage	3.7 (0.7)^{a, b}	3.0 (0.5)	2.4 (0.8)	0.0009
Neocartilage color	3.1 (0.6)^b	2.8 (0.6)^b	2.2 (0.4)	0.0036
Defect margins	3.1 (0.6)^b	2.8 (0.6)^b	1.9 (0.7)	0.0009
Surface	3.3 (1.2)^{a, b}	2.4 (0.7)	1.6 (0.7)	0.0008

ISSN: 1471-2474