Baseline characteristics of multitrauma patients without neurologic injuries undergoing stabilization of spine fractures in different quartiles of surgical delay
| Characteristic | Surgical delay | p value | |||
|---|---|---|---|---|---|
| ≤ 24 h | > 24 h to < 72 h | ≥ 72 h to ≤ 7 d | > 7 d | ||
| No. patients | 23 | 23 | 19 | 18 | |
| Age, mean (SD) yr | 38.1 (17.2) | 41.6 (14.3) | 35.6 (18.2) | 42.6 (18.8) | 0.56 |
| Fracture location, no. (%) | 0.18 | ||||
| Cervical | 5 (21.7) | 11 (47.8) | 5 (26.3) | 8 (44.4) | |
| Thoracolumbar | 18 (78.3) | 12 (52.2) | 14 (73.7) | 10 (55.6) | |
| Male sex, no. (%) | 17 (73.9) | 17 (73.9) | 14 (73.6) | 12 (66.7) | 0.95 |
| Test, mean (SD) score | |||||
| ISS | 27.3 (13.1) | 29.1 (11.4) | 25.2 (12.4) | 26.2 (11.2) | 0.74 |
| Max AIS1 | 1.7 (1.7) | 1.2 (1.7) | 1.0 (1.5) | 1.1 (1.5) | 0.43 |
| Max AIS2 | 1.3 (1.7) | 1.6 (1.9) | 1.0 (1.2) | 1.5 (1.8) | 0.71 |
| Max AIS3 | 0.3 (1.0) | 0.5 (1.3) | 0.5 (1.2) | 0.2 (0.7) | 0.77 |
| Max AIS4 | 1.6 (1.5) | 1.5 (1.6) | 1.4 (1.6) | 1.1 (1.7) | 0.77 |
| Max AIS5 | 3.3 (1.3) | 3.7 (0.7) | 3.8 (0.5) | 3.7 (0.5) | 0.16 |
| Max AIS6 | 0.3 (0.5) | 0.6 (0.7) | 0.15 (0.4)* | 0.5 (0.5) | 0.042 |
| Max severity AIS | 3.9 (0.7) | 4.1 (0.5) | 3.8 (0.6) | 3.9 (0.4) | 0.43 |
| No comorbidity, no. (%) | 13 (56.2) | 15 (65.2) | 16 (84.2) | 13 (72.2) | 0.16 |
| CDC, no. (%) | |||||
| 1 | 2 (8.7) | 0 (0) | 1 (5.3) | 1 (5.6) | |
| 2 | 0 (0) | 1 (4.3) | 0 (0) | 0 (0) | 0.68 |
| GCS | |||||
| Mean (SD) | 14.8 (0.4) | 13.6 (2.9) | 13.1 (3.7 | 14.8 (0.7) | 0.08 |
| 15, no. (%) | 17 (81.0) | 14 (73.7) | 13 (76.5) | 14 (87.5) | 0.64 |
| Mechanical ventilation, no. (%) | 2 (8.7) | 4 (17.4) | 2 (10.5) | 2 (11.1) | 0.82 |
AIS = Abbreviated Injury Score; CDC = Charlson–Deyo Comorbidity; GCS = Glasgow Coma Scale; ISS = injury severity score; SD = standard deviation.
↵* ≥ 72 h to ≤ 7 days significantly different compared with ≤ 24 h, > 24 h to < 72 h, and > 7 days.