Table 18.

Risk factors for survival rate multivariate analysis (odds ratio)

	Risk factor	Odds ratio	p value
Implant-related factors
Implant length	< 10 mm	1.97	> 0.05
Primary stability	< 35 Ncm	0.54	> 0.05
Angle of implant placement	Tilted	1.57	> 0.05
Patient-related factors for patient-level
Treatment area	Maxilla	1.54	> 0.05
Sex	Male	1.40	> 0.05
Systemic disease	Presence	1.01	> 0.05
Smoking	Smoking	1.98	> 0.05
Patient-related factors for implant-level
Treatment area	Maxilla	5.68	< 0.01**
Sex	Male	2.35	> 0.05
Systemic disease	Presence	0.51	> 0.05
Smoking	Smoking	2.58	> 0.05

*p < 0.05, **p < 0.01: logistic regression analysis