1. Center for Disease Control and Prevention. Emergency department visit rates by selected characteristics: United States, 2019. 2022. https://www.cdc.gov/nchs/data/databriefs/db434.pdf.
2. Yancey C, O’Rourke M. Emergency department triage. Treasure Island: Stat Pearls; 2021.
3. Gilboy N, Tanabe P, Travers D, Rosenau A, Eitel D. Emergency severity index, version 4: implementation handbook. AHRQ publication no. 05–0046-2. Rockville, MD: Agency for Healthcare Research and Quality; 2005. https://www.sgnor.ch/fileadmin/user_upload/Dokumente/Downloads/Esi_Handbook.pdf.
4. Akyuz E, Unlu H, Cevik B. Nursing care perceptions of older individuals undergoing surgery. J Educ Res Nurs. 2021;18(3):290–5. https://doi.org/10.5152/jern.2021.04875.
5. Center for Disease Control and Prevention. National Hospital Ambulatory Medical Care Survey. 2019.