J Korean Soc Emerg Med.  2018 Oct;29(5):391-398. 10.0000/jksem.2018.29.5.391.

Comparison with in-hospital Korean Triage and Acuity Scale (KTAS) and prehospital triage system in a metropolitan city

Affiliations
  • 1Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea. lovelydr@schmc.ac.kr
  • 2Department of Emergency Medical Technology, Sun Moon University, Asan, Korea.
  • 3Department of Statistics, Graduate School of Chung-Ang University, Seoul, Korea.

Abstract


OBJECTIVE
This study was conducted to analyze and compare the classifications of a prehospital triage system and an in-hospital triage system.
METHODS
The records of patients transferred from the "˜119' emergency service for 5 months (from January 1 to May 31, 2016) were collected and records of first aid activities were assessed. We examined cases classified as four (urgent, semi-urgent, potentially urgent, and non-urgent) of five stages, excluding death. In the hospital, data were collected from medical records and classifications made using the five Korean Triage and Acuity Scale (KTAS) stages (1, resuscitation; 2, emergency; 3, urgent; 4, less urgent; and 5, non-urgent) were analyzed.
RESULTS
The number of patients enrolled in the study was 3,457. Of them, 2,301 were discharged after treatment and 1,156 were hospitalized. According to the prehospital triage classification, 726 of the 3,457 cases were urgent, 593 were semiurgent, 1,944 were potentially urgent, and 194 were non-urgent. The results of the in-hospital triage were as follows: 114 KTAS 1 (3.3%), 491 KTAS 2 (14.2%), 1,345 KTAS 3 (38.9%), 1,227 KTAS 4 (35.5%), and 280 KTAS 5 (8.1%). The odds ratio trend for hospitalization showed a larger decrease according to in-hospital staging (95% CI, 0.32-0.39) than according to prehospital staging (95% CI, 0.50-0.60). The odds ratio trend for intensive care unit (ICU) admission also showed a larger decrease according to in-hospital staging (95% CI, 0.16-0.22) than according to prehospital staging (95% CI, 0.37-0.48).
CONCLUSION
We found little correspondence in classifications made according to the KTAS and prehospital triage systems. However, the tendencies toward decreases in the hospitalization and ICU admission rates were similar.

Keyword

Urgent; Hospitalization; Intensive care units; Triage; Patient acuity; Classification
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