Table 1 Core system variables
Data variable number | Data variable name | Type of data | Data variable categories or values | Definition of data variable |
|---|---|---|---|---|
1 | Highest Level of EMS provider on scene | Ordinal | 1 = EMS non-Paramedic 2 = EMS-Paramedic 3 = Nurse 4 = Physician 5 = Unknown | Highest level of EMS provider on scene, excluding any non-EMS personnel (bystanders, family, etc) |
2 | Airway devices available on scene | Nominal | 1 = Bag Mask Ventilation 2 = SAD 3 = ETT 4 = Surgical airway 5 = None 6 = Unknown | Airway devices available on scene and provider on-scene who knows how to use it (select all that apply) |
3 | Drugs for airway management available on scene | Nominal | 1 = Sedatives 2 = NMBA 3 = Analgesics/opioids 4 = Local/topic anaesthetic 5 = None | Drugs used for airway management, available on scene and someone competent to administer them (select all that apply) |
4 | Main type of transportation | Nominal | 1 = Ground ambulance 2 = Helicopter ambulance 3 = Fixed-wing ambulance 4 = Private or public vehicle 5 = Walk-in 6 = Police 7 = Other 8 = Not transported 9 = Unknown | Main type of transportation vehicle (if multiple selected, vehicle used for the majority of the transportation phase) |
5 | Response time | Continuous | Minutes | Time from when the Emergency Medical Communication Centre operator initiates transmission of the dispatch message to the first resource/unit time of arrival on the scene of the first unit, as reported by the first unit |