| Variable | Implant Failure | Significance | |
|---|---|---|---|
| No | Yes | ||
| Age | |||
| <50 years | 17 (46%) | 2 (15%) | 0.049 |
| >50 years | 20 (54%) | 11 (85%) | |
| Proximal Screws (mean ± SD) | |||
| Implant A | 4.40 ± 0.60 | 3.57 ± 1.40 | 0.04 |
| Implant B | 3.88 ± 0.60 | 3.33 ± 0.82 | |
| Plate-screw density (mean ± SD) | |||
| Implant A | 0.70 ± 0.12 | 0.70 ± 0.20 | 0.99 |
| Implant B | 0.79± 0.03 | 0.71± 0.08 | 0.026 |
| Neck-shaft angle difference | -3.03 ± 0.38 SD | -5.62 ± 4.07 SD | 0.007 |
| (mean ± SD) | |||