Table 4 Fixed system variables
Data variable number | Data variable name | Type of data | Data variable categories or values | Definition of data variable |
|---|---|---|---|---|
1 | Population | Continuous | Number | Population count in the primary response area of the EMS |
2 | Area | Continuous | Number | Area in sq km or sq miles of primary response area of the EMS |
3 | Rural, urban, split | Nominal | 1 = Urban 2 = Rural 3 = Split | Urban area defined as: "De facto population living in areas classified as urban according to the criteria used by each area or country. Data refer to 1 July of the year indicated and are presented in thousands". Rural area defined as: "De facto population living in areas classified as rural. Data refer to 1 July of the year indicated and are presented in thousands". |
4 | Usual tiered response | Free text | Free text | Describe briefly |
5 | Time intervals collected | Free text | Free text | Describe briefly |
6 | Service mission types | Free text | Free text | Describe briefly; e.g., mainly trauma or mixed patient population |
7 | Times available | Free text | Free text | Describe briefly |
8 | Established airway management protocols | Free text | Free text | Describe briefly |
9 | Airway management techniques available | Free text | Free text | Describe briefly |
10 | Describe type of training in airway management | Free text | Free text | Describe briefly |
11 | Type of tracheal tube confirmation technique | Nominal | 1 = Auscultation 2 = Colorimetry 3 = Capnometry 4 = Capnography 5 = none | Â |
12 | Type of available ventilator | Free text | Free text | Describe briefly |