Success rates stratified according to the clinical and radiographic risk groups
| Risk groups | % clinical success (N) | % failure (N) | p-value |
|---|---|---|---|
| Clinical risk | 0.186 | ||
| Low | 100 (15) | 0 (0) | |
| High | 85.7 (18) | 14.3 (3) | |
| Radiographic risk | 0.569 | ||
| Low | 90.0 (27) | 10.0 (3) | |
| High | 100 (6) | 0 (0) | |
| Clinical/radiographic | 0.142 | ||
| Low/low | 100 (12) | 0 (0) | |
| Low/high | 100 (3) | 0 (0) | |
| High/low | 83.3 (15) | 16.7 (3) | |
| High/high | 100 (3) | 0 (0) |