Table 2:

Factors associated with BRONJ

Variable	Ref.	OR for ONJ	95%CI	p-value	Risk rate of ONJ in the reference group	Risk rate of ONJ in the exposure group
Calculus (n = 5837)	None or mild	2.03	(1.08, 3.81)	0.028	0.67%	1.34%
Gingivitis (n = 5759)	None or mild	2.11	(1.12, 3.98)	0.021	0.65%	1.37%
Periodontitis (n = 5516)	< 4 mm	2.20	(1.18, 4.08)	0.013	0.59%	1.30%
Overall periodontal disease (n = 5636)	None or mild	2.87	(1.49, 5.53)	0.002	0.61%	1.74%
Type of bisphosphonate (IB)	ZA	0.61	(0.31, 1.21)	0.158	1.26%	0.77%
Type of bisphosphonate (CL)	ZA	0.28	(0.13, 0.62)	0.002	1.26%	0.36%