Variable | Islands N = 1,023 | Mainland N = 4,753 | Total N = 5,776 |
---|---|---|---|
Missions, total | |||
Attended Transported | 100 (9.8) 923 (90.2) | 1,802 (37.9) 2,951 (62.1) | 1,902 (32.9) 3,874 (67.1) |
Mission duration in minutes, median (Q1,Q3) | 113 [94,138] | 98 [61,128] | – |
Season | |||
Autumn Winter Spring Summer | 228 (22.3) 138 (13.5) 255 (24.9) 402 (39.3) | 1,080 (22.7) 851 (17.9) 1,356 (28.5) 1,466 (30.8) | 1,308 (22.7) 989 (17.1) 1,611 (27.9) 1,868 (32.3) |
Time of day (shift) | |||
Daytime Evening Nighttime | 494 (48.3) 394 (38.5) 135 (13.2) | 2,665 (56.1) 1,617 (34.0) 471 (9.9) | 3,159 (54.7) 2,011 (34.8) 606 (10.5) |
NACA score as assessed by HEMS staff | |||
0 No injury or disease, missing 1 Minor disturbance—no intervention 2 Slight/moderate disturbance 3 Moderate/severe disturbance 4 Serious/potential life-threatening disorder 5 Acute life-threatening disorder 6 Acute life-threatening disorder incl manifest organ failure 7 Death | 5 (0.5) 20 (2.0) 120 (11.7) 523 (51.1) 264 (25.8) 42 (4.1) 26 (2.5) 23 (2.2) | 15 (0.3) 70 (1.5) 333 (7.0) 1,240 (26.1) 1,609 (33.9) 543 (11.4) 474 (10.0) 469 (9.9) | 20 (0.4) 90 (1.6) 453 (7.8) 1,763 (30.5) 1,873 (32.4) 585 (10.1) 500 (8.7) 492 (8.5) |
Naca score as assessed by HEMS staff, dichotomized | |||
NACA 0–3, non-critical emergency, total NACA 0–3, non-critical emergency, island tourists NACA 0–3, non-critical emergency, island inhabitants NACA 4–7, critical emergency, total NACA 4–7, critical emergency, island tourists NACA 4–7, critical emergency, island inhabitants | 668 (65.3) 199 (71.6) 426 (63.3) 355 (34.7) 79 (28.4) 244 (36.4) | 1658 (34.9) – – 3095 (65.1) – – | 2326 (40.3) – – 3450 (59.7) – – |
Disease category | |||
Cardiovascular Trauma Neurology Other Missing | 285 (27.9) 157 (15.4) 154 (15.1) 356 (34.8) 71 (6.9) | 2,030 (42.7) 1,212 (25.5) 766 (16.1) 591 (12.4) 154 (3.2) | 2,315 (40.1) 1,369 (23.7) 920 (15.9) 947 (16.4) 225 (3.9) |
Interventions performed during contact* | |||
Intubation Blood transfusion I.O access Ultrasound examination Mechanical chest compression Thoracotomy (too few to report) | 61 (6.0) 7 (0.7) 10 (1.0) 82 (8.0) 21 (2.1) | 1,051 (22.1) 141 (3.0) 321 (6.8) 1,125 (23.7) 379 (8.0) | 1,112 (19.3) 148 (2.6) 331 (5.7) 1,207 (20.9) 400 (6.9) |