Variable | Graded group N = 632 patients | Non-graded group N = 511 patients | P value |
---|---|---|---|
Mean age, years (SD) | 10 ± 5 | 10 ± 5 | 0.084 |
Sex male, N (%) | 421 (67) | 324 (63) | 0.206 |
Mechanism of injury, N (%) | |||
Road traffic accidents | 255 (40) | 146 (29) | < 0.001 |
Falls | 127 (20) | 115 (23) | 0.383 |
Skiing accidents | 172 (27) | 163 (32) | 0.103 |
Other mountain accidents | 59 (10) | 55 (11) | 0.488 |
Other | 8 (1) | 17 (3) | 0.024 |
Initial GCS, N (%) | |||
15 to 14 | 492 (78) | 379 (74) | 0.045 |
13 to 9 | 80 (13) | 92 (18) | |
8 to 3 | 59 (9) | 41 (8) | |
Initial SBP < 70 + 2 × age(years), N (%) | 13 (2) | 9 (2) | 0.707 |
Initial assessment of SpO2 < 90%, N (%) | 15 (2) | 12 (2) | 0.905 |
ISS ≥ 16, N (%) | 211 (33) | 191 (37) | 0.183 |
Need for specialized trauma care a, N (%) | 302 (48) | 245 (48) | 0.968 |
Death at 24 h, N (%) | 15 (2) | 4 (1) | 0.035 |
Death at day 28, N (%) | 19 (3) | 6 (1) | 0.034 |