AIS	Abbreviated Injury Score
ACS	American College of Surgeons
APACH	Acute Physiology and Chronic Health Evaluation
BT	Boarding time
CRRT	Continuous renal replacement therapy
CI	Confidence interval
ED	Emergency department
EDLOS	Emergency department length of stay
GCS	Glasgow Coma Scale
ICD	International Classification of Diseases
ICU	Intensive care unit
IHM	In-hospital mortality
ISS	Injury Severity Score
KTAS	Korean Triage and Acuity Scale
LOS	Length of stay
MAP	Mean arterial blood pressure
MV	Mechanical ventilation
MA	Meta-analysis
MEWS	Modified Early Warning Score
NOS	Newcastle–Ottawa Quality Assessment Scale
NEWS	National Early Warning Score
NIH-SS	NIH Stroke Scale
OR	Odds ratio
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
RTS	Revised Trauma Score
SAPS	Simplified Acute Physiology Score
SOFA	Sequential Organ Failure Assessment
TRISS	Therapeutic Intervention Scoring System
TISSS	Therapeutic Intervention Scoring System Score