Table 1.
Patient Demographics.
| Whole dataset Mean (SD) or n (%) | Complete dataset Mean (SD) or n (%) | ||
|---|---|---|---|
| N | 4,174 | 1,269 | |
| Age | 41.09 (20.83) | 44.18 (23.06) | |
| Sex | Female | 1,034 (24.8%) | 314 (24.7%) |
| Male | 3,140 (75.2%) | 955 (75.3%) | |
| Mortality | 587 (14.1%) | 209 (16.5%) | |
| Type | Blunt | 3,750 (89.8%) | 1,269 |
| Penetrating | 135 (3.2%) | 0 | |
| Other | 289 (6.9%) | 0 | |
| Admission | Direct | 1,603 (38.4%) | 1,269 |
| Indirect | 2,571 (61.6%) | 0 | |
| DOA | 58 (1.4%) | 39 (3.1%) | |
| LOS | 19.38 (27.43) | 16.49 (28.49) | |
| AIS 98 | ISS | 26.51 (10.77) | 26.32 (10.82) |
| NISS | 36.74 (14.99) | 37.56 (15.12) | |
| mA | 4.01 (3.46) | 4.43 (3.35) | |
| mB | 1.68 (2.36) | 1.63 (2.38) | |
| mC | 2.00 (2.34) | 1.62 (2.25) | |
| maxAIS | 4.18 (0.72) | 4.15 (0.71) | |
| AIS 2008 | ISS | 23.02 (10.58) | 22.89 (10.72) |
| NISS | 31.45 (15.27) | 32.26 (15.70) | |
| mA | 3.54 (3.16) | 3.90 (3.11) | |
| mB | 1.14 (1.93) | 1.09 (1.92) | |
| mC | 1.57 (2.11) | 1.31 (2.03) | |
| maxAIS | 3.93 (0.88) | 3.90 (0.89) | |
Whole dataset: all adult major trauma patients registered in the RPH trauma registry between 1994 and 2008
Complete dataset: cases that had no missing data for variables that were required to derive the five target tools.
SD: standard deviation
DOA: dead on arrival; LOS: length of stay