. Author manuscript; available in PMC: 2018 Mar 1.

Published in final edited form as: Arthritis Rheumatol. 2017 Mar;69(3):560–564. doi: 10.1002/art.39970

Revised Table 2.

Risk for incident cartilage damage in the same tibiofemoral joint compartment at 30 months (including and excluding KL3 and KL4 subjects)

Cartilage morphology status of a subregion within the same tibiofemoral joint compartment at baseline	Incident cartilage damage in the same tibiofemoral joint compartment at 30 months n/N (Number of compartments)	Crude odds ratio		Adjusted odds ratio
		Odds ratio	95% CI	Odds ratio	95% CI
INCLUDING KL3 and KL4 subjects
No focal cartilage defect (Grade 0)	123/1668 (7%)	1.00 (ref)	-	1.00 (ref)	-
Partial-thickness cartilage defect (Grade 2.0)	32/278 (12%)	1.63	(1.08, 2.48)	1.62	(1.06, 2.47)
Full-thickness cartilage defect (Grade 2.5)	13/96 (14%)	1.97	(1.06, 3.64)	1.92	(1.00, 3.66)
EXCLUDING KL3 and KL4 subjects
No focal cartilage defect (Grade 0)	107/1485 (7%)	1.00 (ref)	-	1.00 (ref)	-
Partial-thickness cartilage defect (Grade 2.0)	26/235 (11%)	1.60	(1.01-2.54)	1.59	(1.00-2.54)
Full-thickness cartilage defect (Grade 2.5)	12/82 (15%)	2.21	(1.16-4.21)	2.13	(1.08-4.20)