Table 4.
Multivariable logistic regression analysis for early survival rates
| OR | 95 %CI | p value | |
|---|---|---|---|
| Age (years) | |||
| < 30 | 1.248 | 0.393–3.964 | 0.708 |
| 30–60 | 2.392 | 1.102–5.190 | 0.027* |
| ≥ 60 | Reference | Reference | |
| Bone quality | |||
| Class I | 3.689 | 1.029–13.224 | 0.045* |
| Class II–III | 1.257 | 0.438–3.604 | 0.671 |
| Class IV | Reference | Reference | |
| Dental position | |||
| Anterior | Reference | Reference | |
| Premolar | 0.981 | 0.467–2.063 | 0.960 |
| Molar | 0.544 | 0.258–1.145 | 0.109 |
| Implant length (mm) | |||
| < 10 | 2.972 | 1.211–7.296 | 0.017* |
| 10–13 | 0.679 | 0.323–1.425 | 0.306 |
| ≥ 13 | Reference | Reference | |
| Submerged | |||
| Yes | Reference | Reference | |
| No | 0.539 | 0.307–0.949 | 0.032* |
| Immediate implant | |||
| Yes | Reference | Reference | |
| No | 0.285 | 0.132–0.615 | 0.001*** |
| Bone augmentation | |||
| Yes | Reference | Reference | |
| No | 0.990 | 0.555–1.764 | 0.972 |
*p < 0.05; **p < 0.01; ***p < 0.001