Table 2 Reasons for cancellation per initial incident report
Initial incident report | Cancellation reason | |||||
|---|---|---|---|---|---|---|
No HEMS indication No. (%) | Patient already deceased No. (%) | Time to scene too long No. (%) | HEMS dispatch impossible No. (%) | Other reason No (%) | Missing No (%) | |
Trauma | ||||||
 Pedestrian accident | 173 (43.8%) | 169 (42.8%) | 18 (4.6%) | 2 (0.5%) | 24 (6.1%) | 9 (2.3%) |
 Bicycle accident | 691 (86.9%) | 12 (1.5%) | 50 (6.3%) | 8 (1.0%) | 24 (3.0%) | 10 (1.3%) |
 Scooter accident | 248 (86.4%) | 9 (3.1%) | 12 (4.2%) | 2 (0.7%) | 12 (4.2%) | 4 (1.4%) |
 Motorcycle accident | 124 (78.5%) | 13 (8.2%) | 9 (5.7%) | 0 | 9 (5.7%) | 3 (1.9%) |
 Motor vehicle accident | 475 (79.6%) | 55 (9.2%) | 18 (3.0%) | 4 (0.7%) | 37 (6.2%) | 8 (1.3%) |
 Fall from height | 1743 (86.6%) | 114 (5.7%) | 63 (3.1%) | 9 (0.4%) | 50 (2.5%) | 34 (1.7%) |
Assault | 439 (70.7%) | 33 (5.3%) | 66 (10.6%) | 1 (0.2%) | 69 (11.1%) | 13 (2.1%) |
 - Blunt | 116 (94.3%) | 0 | 3 (2.4%) | 1 (0.8%) | 3 (2.4%) | 0 |
 - Stabbing | 276 (71.5%) | 7 (1.8%) | 51 (13.2%) | 0 | 43 (11.1%) | 9 (2.3%) |
 - Firearm | 47 (42.0%) | 26 (23.2%) | 12 (10.7%) | 0 | 23 (20.5%) | 4 (3.6%) |
Heavy object on body | 75 (87.2%) | 0 | 2 (2.3%) | 0 | 7 (8.1%) | 2 (2.3%) |
Entrapment | 111 (76.6%) | 18 (12.4%) | 8 (5.5%) | 0 | 4 (2.8%) | 4 (2.8%) |
Strangulation | 64 (23.5%) | 174 (64.0%) | 6 (2.2%) | 2 (0.7%) | 21 (7.7%) | 5 (1.8%) |
Blast, fire or chemical Injury | 154 (66.7%) | 9 (3.9%) | 29 (12.6%) | 4 (1.7%) | 31 (13.4%) | 4 (1.7%) |
Unspecified traumatic incident | 831 (80.9%) | 53 (5.2%) | 62 (6.0%) | 6 (0.6%) | 45 (4.4%) | 30 (2.9%) |
Non-trauma | ||||||
 Advanced airway management required | 271 (80.9%) | 13 (3.9%) | 25 (7.5%) | 2 (0.6%) | 20 (6.0%) | 4 (1.2%) |
 Respiratory, hemodynamic or neurologic instability | 719 (77.6%) | 38 (4.1%) | 82 (8.8%) | 12 (1.3%) | 59 (6.4%) | 17 (1.8%) |
 Anaphylaxis | 224 (85.6%) | 0 | 21 (7.4%) | 2 (0.7%) | 14 (4.9%) | 4 (1.4%) |
 Intoxication | 45 (77.6%) | 3 (5.2%) | 5 (8.6%) | 1 (1.7%) | 4 (6.9%) | 0 |
 Submersion | 703 (74.5%) | 47 (5.0%) | 9 (1.0%) | 7 (0.7%) | 160 (16.9%) | 18 (1.9%) |
 Obstetrics | 27 (50.0%) | 2 (3.7%) | 17 (31.5%) | 0 | 4 (7.4%) | 4 (7.4%) |
Neonatal resuscitation | 157 (86.7%) | 5 (2.8%) | 12 (6.6%) | 0 | 4 (2.2%) | 3 (1.7%) |
Unspecified non-traumatic incident | 12 (57.1%) | 0 | 2 (9.5%) | 0 | 7 (33.3%) | 0 |
Unknown | ||||||
 Unknown report | 427 (58.2%) | 50 (6.8%) | 42 (5.7%) | 26 (3.5%) | 83 (11.3%) | 106 (14.4%) |