Data collection method | Key outcome measure (PA, RN) | Data processing protocol |
---|---|---|
Data extracted from predefined fields in the EPRa | Age categories (PA, RN) | Run date minus birth date |
Gender (PA, RN): male, female | NPb | |
Level of urgency according to Dutch EMS triage standard (PA, RN): A1: ‘very urgent’ complaints needing arrival on scene within 15 min; A2: ‘urgent’ complaints needing arrival on scene within 30 min | NPb | |
Monitoring (PA, RN): Respiratory rate, Oxygen saturation, Systolic blood pressure, Diastolic blood pressure, Pulse rate, ECGc/heart rhythm, GCS/AVPUd, Glucose, Body temperature, Pain intensity score: ‘yes’, ‘no’ | When vital sign measurement was registered in EPRa: variable was coded ‘yes’ | |
Interventions described in the national EMS standard (PA, RN): Placement of intravenous drip, Supply of oxygen, Immobilisation: ‘yes’, ‘no’ | When intervention was registered in EPRa: variable was coded ‘yes’ | |
Administer medication according to EMS standard (PA, RN): ‘yes’, ‘no’ | When medication, included in EMS standard, was registered in EPRa: variable was coded ‘yes’ | |
Administer medication not in national EMS standard (PA): ‘yes’, ‘no’ | When medication, not included in EMS standard, was registered in EPRa: variable was coded ‘yes’ | |
Referral after EMS treatment (PA, RN): ‘yes’, ‘no’ | NPb | |
Type of healthcare organisation referred to (PA, RN): General Practitioner, Emergency Department | NPb | |
Treatment time on scene (minutes) (PA, RN) | Time of departure minus time of arrival | |
Follow up contact after prehospital EMS care within 72 h and within 24 h (PA, RN): ‘yes’, ‘no’ | Identification of registered additional call to dispatch centre within 72 h and within 24 h after time of departure from scene | |
Data based on free text notes | Initial complaints or conditions (PA, RN): trauma, non trauma, deceased | Free text notes were identified and categorized according to these conditions |
SCEBSe methodology used (PA): ‘yes’, ‘no’ | When free text notes were ordered according to SCEBSe methodology: variable was coded ‘yes’ | |
Systematic physical exams of organ tract systems (PA): ‘tractus pulmonalis’, ‘circularis’, ‘abdominalis’, ‘neurology’, ‘extremities’, ‘gynaecology’, ‘urogenitalis’, ‘ear-nose-throat’ Systematic physical exams of organ tract systems (PA): ‘yes’, ‘no’ | Free text notes were identified and categorized according to these tracti; When one or more tracti were identified: variable was coded ‘yes’ | |
Interventions not described in the national EMS standard (PA): Suture, Medical advice to patient: ‘yes’, ‘no’ | When intervention was identified in the free text notes: variable was coded ‘yes | |
Interventions not described in the national EMS standard (PA): Consultation of health care professional regarding referral: ‘consultation of General Practitioner’, ‘consultation of Emergency Department’, ‘consultation of other health care professional’, ‘no consultation’ | Free text notes were identified and categorized according to these type of health care professionals |