Table 1 Patient characteristics and on-scene time in primary emergency missions with patient encounter (N = 9757)
All | NACA score = 0–3 | NACA score = 4–6 | NACA score = 7 | Subgroups with NACA score of 4–6 | |||||
|---|---|---|---|---|---|---|---|---|---|
Acute myocardial infarction | Stroke | Head injurya | Penetrating torso injuries | Cardiac arresta | |||||
N (proportion of all) | 9757 (100%) | 3022 (31.0%) | 5448 (55.8%) | 1115 (11.4%) | 777 (8.0%) | 458 (4.7%) | 348 (3.6%) | 59 (0.6%) | 683 (7.0%) |
Median OST, minutes (IQR) | 10 (5–16) | 10 (5–16) | 10 (5–14) | 20 (13–31)b | 9 (5–13) | 8 (5–14) | 11 (6–17) | 5 (3–10) | 20 (13–28) |
Median age, years (IQR) | 51.0 (27.0–67.0) | 35 (16–57) | 55 (32–69) | 64 (48–75) | 64 (54–73) | 69.5 (57–79) | 36 (20–58) | 31 (24–39) | 64 (52–73) |
<18 years, N (%) | 1495 (15.7%) | 771 (26.7%) | 665 (12.4%) | 143 (3.3%) | 1 (0.1%) | 0 | 68 (19.8%) | 5 (8.9%) | 15 (2.2%) |
Male gender, N (%) | 6412 (66.2%) | 1738 (58.8%) | 3726 (68.4%) | 810 (72.6%) | 617 (79.4%) | 267 (58.3%) | 257 (73.9%) | 46 (78.0%) | 494 (72.3%) |
Trauma, N (%) | 2950 (30.1%) | 1364 (45.1%) | 1343 (24.7%) | 159 (14.3%) | 0 | 0 | 348 (100%) | 59 (100%) | 0 |
Advanced interventions, N (%) | 4058 (41.6%) | 595 (19.7%) | 2725 (50.0%) | 682 (61.2%) | 557 (71.7%) | 98 (21.4%) | 134 (38.5%) | 21 (35.6%) | 603 (88.3%) |
Intubated by HEMS, N (%) | 1353 (13.9%) | 8 (0.3%) | 850 (15.6%) | 479 (43.0%) | 10 (1.3%) | 54 (11.8%) | 89 (25.3%) | 5 (8.5%) | 409 (59.9%) |
Median GCS (IQR) | 14 (6–15) | 15 (15–15) | 14 (6–15) | 3 (3–3) | 15 (15–15) | 13 (9–15) | 11 (6–14) | 15 (14–15) | 3 (3–3) |