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Comparison between screw assessment on intraoperative CBCT scans and postoperative CT scans according to the Gertzbein grading scale
| Postoperative CT assessment | ||||||
|---|---|---|---|---|---|---|
| Grade | 0 | 1 | 2 | 3 | Total | |
| Intraoperative CBCT assessment | 0 | 149 | 10 | 0 | 0 | 159 |
| 1 | 32 | 53 | 1 | 0 | 86 | |
| 2 | 0 | 6 | 8 | 1 | 15 | |
| 3 | 0 | 0 | 0 | 0 | 0 | |
| Total | 181 | 69 | 9 | 1 | 260 | |
CBCT cone beam computed tomography
Note: Italicized numbers indicate number of agreements between CT and CBCT assessment
