Table 2.
Radiological assessment of placed screws for the augmented reality surgical navigation (ARSN) and free-hand (FH) groups.
| Screw assessment | ARSN group | FH control group | p-value |
|---|---|---|---|
| Total number of screws rated | 262 (100%) | 288 (100%) | 0.86 |
| Thoracic spine | 166 (63.4%) | 180 (62.5%) | |
| Lumbosacral spine and iliac | 96 (35.6%) | 108 (37.5%) | |
| Screw placement grade | |||
| Grade 0 | 166 (63.4%) | 88 (30.6%) | <0.0001 |
| Grade 1 | 80 (30.5%) | 170 (59.0%) | <0.0001 |
| Grade 2 | 16 (6.1%) | 30 (10.4%) | 05 |
| Grade 3 | 0 (0.0%) | 0 (0.0%) | 1 |
| Accuracy | 246 (93.9%) | 258 (89.6%) | <0.05 |