Table 2.

OARSI cartilage scores and sub-scores

	Median (95% CI)			Odds Ratio (95% CI)
Measurement	OATS-CTL (N=5)	OATS-INJ (N=5)	OATS-DLMS (N=6)	INJ vs. CTL	DLMS vs. CTL	DLMS vs. INJ
OARSI (Cartilage, combined)	12 (9 to 17)	12 (7 to 15)	8 (6 to 12)	1.3 (0.6 to 2.7)	2.2 (1.3 to 3.6)**	1.6 (0.7 to 3.7)
Structure	2 (2 to 3)	2 (1 to 3)	2 (1 to 3)	1.8 (0.9 to 3.5)	1.5 (0.9 to 2.8)	0.9 (0.4 to 2.0)
Chondrocytes	4 (2 to 4)	4 (2 to 4)	2 (1 to 3)	1.1 (0.4 to 3.2)	2.7 (1.5 to 5.1)**	2.6 (0.9 to 7.4)
Proteoglycans	3 (2 to 4)	3 (1 to 4)	2 (1 to 2)	1.0 (0.3 to 3.5)	3.3 (1.4 to 7.5)**	3.4 (1.0 to 11.4)*
Collagen	2 (1 to 3)	2 (1 to 3)	1 (1 to 2)	1.1 (0.4 to 2.9)	2.8 (1.5 to 5.1)**	2.5 (0.9 to 6.8)
Tidemark	1 (0 to 2)	0 (0 to 2)	0 (0 to 2)	1.8 (1.2 to 2.8)**	1.7 (1.1 to 2.8)*	1.0 (0.6 to 1.4)
Bone	1 (0 to 3)	0 (0 to 3)	3 (0 to 3)	1.1 (0.6 to 2.4)	0.7 (0.2 to 2.1)	0.6 (0.2 to 1.8)

^*p<0.05

^**p<0.01

^***p<0.001

OATS, osteochondral autograft transfer system; CTL, no dexamethasone supplementation group; DLMS, dexamethasone-loaded microsphere implant group; INJ, dexamethasone injection group