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Table 5 Process mapping variables.

From: The Utstein template for uniform reporting of data following major trauma: A joint revision by SCANTEM, TARN, DGU-TR and RITG

Data variable no.

Data variable name

Type of data

Data variable categories or values

Definition of data variable

32

Time from alarm to arrival at scene

Continuous

HH:MM

The time from when the emergency call is answered (at the emergency call centre) until the first medical provider (at least the equivalent of EMT's) arrives at the patient.

33

Time until normal arterial base excess

Continuous

HH:MM

The time from first measured arterial base excess at hospital admission until first measured arterial base excess within normal range.

Reference range for base excess: ± 3 mmol/l.

34

Time to first CT scan

Continuous

HH:MM

The time from hospital admission until the time marked on the first CT scan image.

35

Time until first key emergency interventions

Continuous

HH:MM

The time from hospital admission until the FIRST emergency intervention.

Record the time from hospital admission until the time of FIRST knife to skin is performed. Consider only the emergency interventions listed in data variable number 28.

  1. CT: Computed Tomography.
  2. EMT: Emergency Medical Technician.