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Table 1 Frequencies and cancellation rate per initial incident report

From: Characteristics of helicopter emergency medical services (HEMS) dispatch cancellations during a six-year period in a Dutch HEMS region

Initial incident report

Frequency of all dispatches,

No. (%)

Cancellation per initial incident report. No. (%)

Trauma

12,148 (65.2%)

6627 (54.6%)

Pedestrian accident

704 (3.8%)

395 (56.1%)

Bicycle accident

1487 (8.0%)

795 (53.5%)

Scooter accident

598 (3.2%)

287 (48.0%)

Motorcycle accident

365 (2.0%)

158 (43.3%)

Motor vehicle accident

1175 (6.3%)

597 (50.8%)

Fall from height

3485 (18.7%)

2013 (57.8%)

Assault

1279 (6.9%)

621 (48.6%)

 - Blunt

192

123 (64.1%)

 - Stabbing

809

386 (47.7%)

 - Firearm

278

112 (40.3%)

Heavy object on body

148 (0.8%)

86 (58.1%)

Entrapment

295 (1.6%)

145 (49.2%)

Strangulation

464 (2.5%)

272 (58.6%)

Blast, fire or chemical Injury

433 (2.3%)

231 (53.3%)

Unspecified traumatic Incident

1715 (9.2%)

1027 (59.9%)

Non-trauma

5378 (28.8%)

2805 (52.2%)

Advanced airway management required

748 (4.0%)

335 (44.8%)

Respiratory, hemodynamic or neurologic instability

2007 (10.8%)

927 (46.2%)

Anaphylaxis

430 (2.3%)

285 (66.3%)

Intoxication

191 (1.0%)

58 (30.4%)

Submersion

1525 (8.2%)

944 (61.9%)

Obstetrics

86 (0.5%)

54 (62.8%)

Neonatal resuscitation

319 (1.7%)

181 (56.7%)

Unspecified non-traumatic incident

72 (0.4%)

21 (29.2%)

Unknown

1112 (6.0%)

734 (66.0%)

Unkown report

1112 (6.0%)

734 (66.0%)