The skåne emergency medicine (SEM) cohort

Ekelund, Ulf; Ohlsson, Bodil; Melander, Olle; Björk, Jonas; Ohlsson, Mattias; Forberg, Jakob Lundager; de Capretz, Pontus Olsson; Nyström, Axel; Björkelund, Anders

doi:10.1186/s13049-024-01206-0

Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

Table 2 Available data for each patient visit in the SEM cohort

From: The skåne emergency medicine (SEM) cohort

Type of data	Description and examples of variables/ variable groups	Source
Baseline data
Basic and sociodemographic patient characteristics	Age, sex, country of birth, education, marital status, place of residence, income, welfare benefits etc.	[1]
Previous disease	Diagnoses (ICD10 codes) in the region during 5 years before ED visit	[8]
Previous tests	Diagnostic/ prognostic tests in the region during 5 years before the ED visit	[8], [9], [10], [11], [12]
Current medication	Prescriptions redeemed in Sweden during one year before ED visit	[2]
*Data on the ED visit*
Chief complaint	As defined by the RETTS system [11]	[7]
ED throughput times	ED arrival time and date, time to ED nurse, ED physician, ED length of stay, ED discharge time and date.	[6], [7]
Findings at the physical examination, vital signs	Free text, available by manual review of the patient records	[8]
Medications	Given at the ED (free text) and after the ED but within 24 h after ED presentation (digitized)	[8]
Diagnostic/prognostics tests	Performed within 24 h after ED presentation, including ECG, imaging, functional tests etc., with free text results	[8], [9], [10], [11], [12]
Disposition	Left without being seen, admission to in-hospital care.	[7]
Preliminary diagnosis/ assessment at the ED	ICD10 codes and free text	[8]
*Outcome data*
In-hospital admission ward	Name (and type) of in-hospital ward	[8]
Hospital length of stay		[8]
Intensive care	Intensive care admissions/interventions within 30 days after ED presentation	[8]
Diagnoses	To the end of 2019	[8]
Critical interventions/ treatments	Cardiac defibrillation, thrombolysis, percutaneous coronary intervention etc. to end of 2019	[8]
ED returns	Re-presentations at ED up to end of 2019	[7]
Hospital admissions	Admissions to in-hospital care and length of stay to end of 2019	[3], [8]
Date of death	To end of 2019	[4], [6]
Cause of death	To end of 2019	[5]
Healthcare costs	Direct healthcare costs in the region within 30 days after the ED visit.	[13]

SEM data sources
Registers and databases with national (Sweden) coverage
1. Statistics Sweden; [13] The LISA database, the Geography database
2. National Board of Health and Welfare; National Prescribed Drug Register [15, 23]
3. National Board of Health and Welfare; National Patient Register; [14, 24]
4. The Swedish population register [13]
5. National Board of Health and Welfare; National Cause of Death Register [16, 25]
6. Swedish emergency care register; SVAR [26,27,28]
Region Skåne registers and databases with complete regional coverage
7. The ED patient log system (Patientliggaren™, Tietoevry [12])
8. The electronic healthcare records (Melior™, Siemens [29]) and/or the Patient administrative system (PASIS)
9. The ECG-database (MUSE™, GE Healthcare [30])
10. The imaging and functional testing database (SECTRA [31])
11. The clinical chemistry database (LIMS RS)
12. The microbiology database
13. The healthcare economics system

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ISSN: 1757-7241

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