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. |