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System characteristic descriptors. |
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| Data variable no. |
Data variable name |
Type of data |
Data variable categories or values |
Definition of data variable |
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| 24 |
Time from alarm to hospital arrival |
Continuous |
HH:MM |
The time between when the alarm call is answered (at the emergency call centre) and when the patient arrives at the reporting hospital. |
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| 25 |
Highest level of prehospital care provider |
Ordinal |
1 = Level I. No Field Care 2 = Level II. Basic Life Support 3 = Level III. Advanced Life Support, No Physician Present 4 = Level IV. Advanced Life Support On-Scene, Physician Field Care 5 = Other 6 = Unknown |
The highest available level of competence of the pre-hospital care providers involved in the care of the injured patient. |
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| 26a |
Pre-hospital intubation |
Nominal |
1 = No 2 = Yes 3 = Unknown |
Was the patient intubated before arrival at the hospital? |
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| 26b |
Pre-hospital intubation |
Nominal |
1 = A tube in the trachea (orotracheal, nasotracheal, or surgical airway) – drug assisted 2 = A supraglottic airway adjunct that prevents speech (such as esophago-tracheal combitube, the laryngeal tube, and various kinds of laryngeal masks)) – drug assisted 3 = A tube in the trachea (orotracheal, nasotracheal, or surgical airway) – not drug assisted 4 = A supraglottic airway adjunct that prevents speech (such as esophago-tracheal combitube, the laryngeal tube, and various kinds of laryngeal masks) – not drug assisted 5 = Other 6 = Unknown |
Type of pre-hospital intubation. Drug assisted = anaesthesia, neuromuscular blocking drugs, and deep sedation. |
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| 27 |
Type of transportation |
Nominal |
1 = Ground ambulance 2 = Helicopter ambulance 3 = Fixed-wing ambulance 4 = Private/public vehicle 5 = Walk-in 6 = Police 7 = Other 8 = Unknown |
Type of transportation delivering the patient to the hospital. |
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| 28 |
Type of first key emergency intervention |
Nominal |
1 = Damage control thoracotomy – (any emergency or urgent thoracotomy performed for bleeding or suspected bleeding into the chest, but excluding simple thoracic tube drainage) 2 = Damage control laparotomy – (any emergency or urgent laparotomy performed for bleeding or suspected bleeding into the abdomen, including bleeding from the aorta) 3 = Extraperitoneal pelvic packing 4 = Limb revascularisation (Arterial injury necessitating vascular surgery or interventional radiology, including all interventions for pulseless limb, decreased perfusion and intimal arterial injuries) 5 = Interventional radiology (Angiographic embolisation; Stent; Stent-graft placement – excluding limb revascularisations which are classified as 4) 6 = Craniotomy 7 = Intracranial pressure (ICP) device insertion (excluding cases were the ICP device was inserted as part of a craniotomy which are classified as 6) |
The first key emergency intervention performed for the treatment and stabilisation of the patient's injuries. |
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| 29 |
Activation of the trauma team |
Nominal |
1 = No 2 = Yes 3 = Unknown |
Was the patient met by an activation of the trauma team prior to or upon arrival at the hospital? |
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| 30 |
Inter-hospital transfer |
Nominal |
1 = No 2 = Yes – Transferred IN to the reporting hospital 3 = Yes – Transfer OUT of the reporting hospital 4 = Yes – Transferred both IN and OUT of the reporting hospital 5 = Unknown |
Was the patient transferred from/to another hospital for acute treatment? |
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| 31 |
Highest level of in-hospital care |
Ordinal |
1 = Emergency Department 2 = General Ward 3 = Operation Theatre 4 = High Dependency Unit 5 = Critical Care Unit (definition based on nurse to patient ratio) 6 = Unknown |
The highest level of care in the main hospital. |
Ringdal et al. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2008 16:7 doi:10.1186/1757-7241-16-7 |
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