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| Variables | P-values of Cox regression, level of significance 95% |
|---|---|
| Localisation of implants | 0.80 |
| Implant length | 0.94 |
| Implant diameter | 0.98 |
| Peri-implant augmentation | 1.00 |
| Sinus floor elevation | 0.99 |
| Type of prosthetic restoration | 0.95 |
| Time of implant placement | 0.99 |
