. Author manuscript; available in PMC: 2009 Jul 1.

Published in final edited form as: J Endod. 2008 May 16;34(7):798–803. doi: 10.1016/j.joen.2008.03.022

Table 4.

Assessment of Interaction Between Defective Density and Pre-operative AR in the Final Model (N=609 Teeth)

Odds Ratio for Post-operative AR (95% CI)		Pre-operative AR
Odds Ratio for Post-operative AR (95% CI)		Yes	No
Density	Defective	33.2 (12.0–92.0)	3.0 (1.3–7.1)
Density	Ideal	29.2 (13.6–63.0)	1.0 (reference)