Logistic Regression Analysis of the Factors Involved in the Failure of Osseointegration and Survival of Dental Implants with an Internal Connection and Machined Collar: A 6-Year Retrospective Cohort Study

Table 4

Cox regression analysis for the dependent variable failure of survival.

			SE	Wald		Sig.	Exp ()	95.0% CI for Exp ()
								Lower	Upper
Pass 1	Anticoagulant: yes (cat. ref. no)	2.050	0.742	7.621	1	0.006	7.764	1.812	33.268
Pass 2	Smoker: no (cat. ref.)			5.747	2	0.056
	Smoker: <10 cig/day	1.022	1.138	0.807	1	0.369	2.780	0.299	25.843
	Smoker: >10 cig/day	3.117	1.302	5.729	1		22.585	1.759	289.996
	Anticoagulant	3.170	1.124	7.957	1		23.814	2.632	215.508

. Statistically significant findings.