Patient baseline and group characteristics among traumatic spinal cord injury patients.
| Characteristics | Overall (n=35) | Early surgery (n=16) | Late surgery (n=19) | P-value |
|---|---|---|---|---|
| Age, mean±SD | 35±12.07 | 31.7±9.1 | 37.8±13.70 | 0.126 |
| Gender, n (%) | 0.748 | |||
| Male | 25 (71) | 11 (69) | 14 (74) | |
| Female | 10 (29) | 5 (31) | 5 (26) | |
| Etiology, n (%) | 0.027 | |||
| Automobile crashes | 18 (51) | 4 (25) | 14 (74) | |
| Motorcycle crashes | 5 (14) | 3 (19) | 2 (10) | |
| Fall | 10 (29) | 7 (44) | 3 (16) | |
| Other | 2 (6) | 2 (12) | 0 | |
| Baseline AIS grade, n (%) | 0.254 | |||
| A | 16 (46) | 7 (44) | 9 (47) | |
| B | 6 (17) | 1 (6) | 5 (26) | |
| C | 5 (14) | 4 (25) | 1 (5) | |
| D | 8 (23) | 4 (25) | 4 (21) | |
| Hospitalization days, mean±SD | 8.5±7.78 | 7±7.13 | 9.7±8.28 | 0.328 |
| Time to surgery, mean hours±SD | 32.7±16.0 | 18.9±4.75 | 45±11.93 | <0.001 |
| Distribution of vertebral fractures, n (%) | 0.728 | |||
| L1 | 11 (31) | 7 (44) | 4 (21) | |
| T12 | 12 (34) | 5 (31) | 7 (37) | |
| T11 | 3 (9) | 1 (6) | 2 (11) | |
| T10 | 2 (6) | 0 | 2 (11) | |
| T9 | 2 (6) | 1 (6) | 1 (5) | |
| T8 | 3 (9) | 1 (6) | 2 (11) | |
| T7 | 0 | 0 | 0 | |
| T6 | 1 (3) | 0 | 1 (5) | |
| T5 | 1 (3) | 1 (6) | 0 | |
| Magerl classification of vertebral fracture, n (%) | 0.752 | |||
| A3 | 7 (20) | 2 (13) | 5 (26) | |
| B1 | 1 (3) | 0 | 1 (5) | |
| B2 | 6 (17) | 3 (19) | 3 (16) | |
| B3 | 1 (3) | 1 (6) | 0 | |
| C1 | 8 (23) | 5 (31) | 3 (16) | |
| C2 | 6 (17) | 2 (13) | 4 (21) | |
| C3 | 6 (17) | 3 (19) | 3 (16) | |
| Surgical technique, n (%) | 0.987 | |||
| Short-segment including* | 18 (51) | 9 (56) | 9 (47) | |
| Short-segment non-including | 1 (3) | 0 | 1 (5) | |
| Long-segment including | 5 (14) | 2 (13) | 3 (16) | |
| Long-segment non-including | 7 (20) | 3 (19) | 4 (21) | |
| 360º† | 4 (11) | 2 (13) | 2 (11) |