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Table 4 Fixed system variables

From: A consensus-based template for uniform reporting of data from pre-hospital advanced airway management

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  
12 Type of available ventilator Free text Free text Describe briefly
  1. EMS: Emergency Medical Service