Table 1.
Fracture characteristics stratified by surgical technique.
| Total | Surgical Technique |
p-Value | ||
|---|---|---|---|---|
| Open (n = 155) | MISS (n = 100) | |||
| Total fractures, n | 322 | 203 | 119 | – |
| Fractures per patient, mean ± SD | 1.26 ± 0.5 | 1.3 ± 0.6 | 1.2 ± 0.5 | 0.15 |
| Fracture level, n (%) | ||||
| Upper Thoracic (T1-T5) | 48 (14.9) | 43 (21.2) | 5 (4.2) | <0.001* |
| Middle Thoracic (T6-T10) | 88 (27.3) | 57 (28.1) | 31 (26.1) | 0.80 |
| Thoracolumbar (T10-L2) | 144 (44.7) | 84 (41.4) | 60 (50.4) | 0.13 |
| Upper lumbar (L2-L3) | 28 (8.7) | 9 (4.4) | 19 (16) | 0.001* |
| Lower lumbar (L4-L5) | 14 (4.3) | 10 (4.9) | 4 (3.4) | 0.58 |
| Fracture Morphology, n (%) | ||||
| Burst/compression (AO A1-A4) | 145 (45.0) | 71 (35.0) | 74 (62.2) | <0.001* |
| Flexion distraction (AO B1–B2) | 58 (18.0) | 38 (18.7) | 20 (16.8) | 0.76 |
| Extension distraction (AO B3) | 24 (7.5) | 13 (6.4) | 11 (9.2) | 0.38 |
| Fracture dislocation (AO C) | 95 (29.5) | 81 (39.9) | 14 (11.8) | <0.001* |
MISS indicates minimally invasive spine surgery. *Statistical significance was determined with a p-value less than 0.05.