. Author manuscript; available in PMC: 2010 Jun 24.

Published in final edited form as: Ann Rheum Dis. 2009 Sep 17;69(5):841–844. doi: 10.1136/ard.2009.110114

Table 3.

Association of systemic BMD with presence of baseline SBA and incident SBA in the tibiofemoral joint

	Presence of baseline SBA (1253 knees)		Incident SBA (1185 knees)
	N/total	Adjusted OR (95% CI)	N/total	Adjusted OR (95% CI)

Systemic BMD
Lowest tertile	126/416	1.0 (ref)	55/399	1.0 (ref)
Middle tertile	131/419	1.1 (0.8 to 1.5)	58/400	1.1 (0.7 to 1.6)
Highest tertile	159/418	1.5 (1.1 to 2.1)^*	75/386	1.6 (1.1 to 2.3)^*

p<0.05.

BMD, bone mineral density; OR, odds ratio; SBA, subchondral bone attrition.