Table 2 Study population characteristics
From: EMCC dispatch priority for trauma patients in Norway: a retrospective cohort study
Variables | All | Urban | Suburban | Remote | p-value | |
|---|---|---|---|---|---|---|
Age groups | 0.005a | |||||
0–15 | Per cent | 461 (13%) | 308 (13%) | 101 (11%) | 52 (16%) | |
16–66 | Per cent | 2407 (68%) | 1542 (66%) | 642 (69%) | 223 (70%) | |
> 66 | Per cent | 698 (19%) | 475 (20%) | 181 (20%) | 42 (13%) | |
Age | Mean (SD) | 43 (24) | 44 (24) | 43 (24) | 41 (22) | nsb |
Male | Per cent | 2384 (67%) | 1520 (65%) | 645 (70%) | 219 (69%) | 0.04a |
NISS groups | < 0.001a | |||||
< 9 | Per cent | 1584 (48%) | 1121 (52%) | 354 (42%) | 109 (36%) | |
9–15 | Per cent | 725 (22%) | 464 (21%) | 176 (21%) | 85 (28%) | |
> 15 | Per cent | 1016 (30%) | 588 (27%) | 321 (38%) | 107 (36%) | |
NISS | Median (IQR) | 9 (15) | 6 (15) | 10 (15) | 11 (13.5) | < 0.001c |
Dominant injury | ||||||
Blunt | Per cent | 3346 (94%) | 2163 (94%) | 879 (95%) | 304 (96%) | nsa |
Injury mechanism | < 0.001a | |||||
Transport-related | Per cent | 1597 (46%) | 1012 (44%) | 449 (49%) | 136 (44%) | |
Low-energy fall | Per cent | 566 (16%) | 421 (18%) | 113 (12%) | 32 (10%) | |
High-energy fall | Per cent | 762 (21%) | 461 (20%) | 202 (22%) | 99 (32%) | |
Being struck or hit by blunt object | Per cent | 347 (10%) | 237 (10%) | 88 (10%) | 22 (7%) | |
Being stabbed by a knife or sharp object | Per cent | 154 (4%) | 125 (5%) | 23 (2%) | 6 (2%) | |
Other | Per cent | 119 (3%) | 57 (2%) | 46 (5%) | 16 (5%) |