Table 2.
Surgical data depending on the intraoperative imaging modality.
| iCT | rCBCT | CBCT | p-value | |
|---|---|---|---|---|
| Total number of surgeries | 13 (39%) | 13 (39%) | 7 (21%) | n/a |
| Total number of navigated screws | 93 | 99 | 51 | n/a |
| Total number of imaged screws | 93 | 99 | 51 | n/a |
| Total number of assessable screws, n (%) | 92 (99%) | 90 (91%) | 48 (94%) | *0.0475 (iCT vs. rCBCT) |
| Median number of navigated screws per patient | 8 (4–12) | 8 (4–10) | 8 (4–10) | 0.8360 |
| Median number of instrumented segments per patient | 5 (3–7) | 5 (3–7) | 5 (3–6) | 0.8352 |
|
Decompression + Instrumentation, n (%) Decompression + Instrumentation + Corpectomy, n (%) |
8 (62%) 5 (38%) |
10 (77%) 3 (23%) |
4 (57%) 3 (43%) |
0.5996 |
| Median duration of surgery (min) | 248 (110–387) | 202 (105–350) | 193 (78–487) | 0.7312 |
| Median number of intraoperative scans per patient | 2 (2–4) | 2 (2–4) | 2 (2–3) | 0.6983 |
Values are given in total number with percentage or as median with total range, as appropriate.
iCT Intraoperative CT, rCBCT robotic cone beam CT, CBCT cone beam CT, n/a not applicable.