Comparison of patients with diaphragm injury undergoing preoperative CT imaging
| 256-slice CT (n=23) | 64-slice CT (n=134) | P values | |
| Injury | |||
| Diaphragm injury laterality (%) | |||
| Left | 16 (69.6) | 77 (57.5) | 0.43 |
| Right | 7 (30.4) | 55 (41.0) | |
| Bilateral | 0 | 2 (1.5) | |
| Diaphragm injury grade | 3 (3, 3) | 3 (2, 3) | 0.65 |
| 1 | 0 | 5 (3.7) | 0.32 |
| 2 | 0 | 25 (18.7) | 0.02 |
| 3 | 19 (82.6) | 58 (43.3) | 0.002 |
| 4 | 2 (8.7) | 27 (20.1) | 0.13 |
| 5 | 0 | 0 | – |
| Length of injury (cm) | 5.5 (2.0–8.8) | 4.0 (2.0–10.0) | 0.87 |
| Visceral herniation with initial diagnosis (%) | 6 (26.1) | 23 (17.2) | 0.36 |
| Visceral herniation with delay in diagnosis (%) | 0 | 2 (1.5) | 0.55 |
| Diagnosis with preoperative CT (%) | 13 (56.5) | 61 (45.5) | 0.36 |
| Diagnosis with X-ray (%) | 0 | 9 (6.7) | 0.19 |
| Delay in diagnosis (%) | 2 (8.7) | 4 (3.0) | 0.21 |
| Operative | |||
| Repair in index hospitalization (%) | 23 (100) | 124 (92.5) | 0.17 |
| Laparoscopy (%) | 1 (4.3) | 1 (0.7) | 0.17 |
| Thoracoscopy (%) | 1 (4.3) | 1 (0.7) | 0.17 |
| Laparotomy (%) | 23 (100) | 129 (96.3) | 0.92 |
| Thoracotomy (%) | 1 (4.3) | 11 (8.2) | 0.49 |
| Suture repair (%) | 23 (100) | 123 (91.8) | 0.49 |
| Mesh repair (%) | 0 | 3 (2.2) | 0.46 |
Data presented as median (IQR) unless otherwise noted.
Estimates from Pearson’s χ2 and Mann-Whitney U for categorical and continuous variables, respectively.