Table 1.
Patient Characteristics on Admission in Level 1 and Level 2 Trauma Centers
| Level 1 trauma n = 2568 (64.5%) | Level 2 trauma n = 1412 (35.5%) | P-value | |
|---|---|---|---|
| Age (yr) | 47.5 ± 20.5 | 47.1 ± 20.5 | .5 |
| Gender | |||
| Male | 1881 (73.3%) | 1045 (74.0%) | .6 |
| Female | 687 (26.7%) | 367 (26.0%) | |
| GCS on admission | |||
| 3 | 1838 (71.6%) | 905 (64.1%) | |
| 4 | 80 (3.1%) | 69 (4.9%) | |
| 5 | 103 (4.0%) | 77(5.5%) | <.001 |
| 6 | 221 (8.6%) | 138 (9.8%) | |
| 7 | 208 (8.1%) | 124 (8.8%) | |
| 8 | 118 (4.6%) | 99 (7.1%) | |
| Systolic BP | |||
| Mean SBP, mmHg | 141.2 ± 37.7 | 145.7 ± 38.3 | <.005 |
| <120 mmHg, n (%) | 645 (25.5%) | 324 (23.1%) | .1 |
| >160 mmHg, n (%) | 659 (26.1%) | 427 (30.5%) | .003 |
| ISS | |||
| Mean ISS | 29.5 ± 10.2 | 29.6 ± 9.5 | .8 |
| ISS > 30 | 823 (32.1%) | 473 (33.5%) | .4 |