Long-Term Follow-Up of Nonsurgical Endodontic Treatments Performed by One Specialist: A Retrospective Cohort Study about Tooth Survival and Treatment Success

Table 3

Influence of baseline parameters on teeth survival.

		Primary treatment			Secondary treatment			All
		Exp (B)	95% CI Exp (B)	Sign	Exp (B)	95% CI Exp (B)	Sign	Exp (B)	95% CI Exp (B)	Sign (p)
Treatment	Primary	—	—	—	—	—	—	1.000 (1)	—	—
	Secondary	—	—	—	—	—	—	1.323	0.972–1.800	0.075
Technique	1	1.000 (1)	—	—	1.000 (1)	—	—	1.000 (1)	—	—
	2	1.138	0.755–1.714	0.536	1.174	0.611–2.256	0.631	1.129	0.847–1.697	0.307
	3	1.130	0.455–2.807	0.793	1.793	0.565–5.694	0.322	1.369	0.670–2.797	0.389
Baseline radiolucency	Absent	1.000 (1)	—	—	1.000 (1)	—	—	1.000 (1)	—	—
	Present	1.961	1.361–2.826	<0.001	1.551	0.927–2.595	0.095	1.607	1.201–2.149	0.001