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J Korean Soc Emerg Med > Volume 27(5); 2016 > Article
Journal of The Korean Society of Emergency Medicine 2016;27(5): 436-441.
응급센터를 내원한 성인 환자의 중증도 분류 지표로서 한국형 중증도 분류체계 (KTAS)의 타당도 분석: 일개 지역응급의료센터의 예비연구
김지혁, 김종원, 김신영, 홍대영, 박상오, 백광제, 이경룡
건국대학교 의학전문대학원 응급의학교실
Validation of the Korean Triage and Acuity Scale Compare to Triage by Emergency Severity Index for Emergency Adult Patient: Preliminary Study in a Tertiary Hospital Emergency Medical Center
Ji Hyouck Kim, Jong Won Kim, Sin Young Kim, Dae Young Hong, Sang O Park, Kwang Je Baek, Kyeong Ryong Lee
Department of Emergency Medicine, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea
Correspondence  Kyeong Ryong Lee ,Tel: 02-2030-5551, Fax: 02-2030-5789, Email: 20020001@kuh.ac.kr,
Received: June 16, 2016; Revised: June 20, 2016   Accepted: August 12, 2016.  Published online: October 30, 2016.
Triage is the initial clinical evaluation process in a hospital emergency department (ED). The Korean Triage and Acuity Scale-based triage system (KTAS) has been developed and used in Korean EDs as a triage tool. However, there has been limited evidence of its reliability and validation in KTAS. The aim of this study was to validate KTAS by comparing the Emergency Severity Index (ESI).
This was a prospective study. All adult patients over the age of 18 years who visited our ED during the study period were included. Patients were independently triaged by a primary triage nurse using KTAS and emergency physician by ESI. The total admission rate (TAR) and length of stay (LOS) were analyzed by comparing KTAS and ESI according to acuity levels.
A total of 2919 patients were enrolled in our study. With KTAS, 0.8%, 9.3%, 41.6%, 39.7%, and 8.6% were assigned to the levels 1, 2, 3, 4, and 5, respectively. With ESI, 1.8%, 15.7%, 38.4%, 42.5%, and 1.6% were assigned to levels 1, 2, 3, 4, and 5, respectively. The percentage of each level using KTAS was similar to using ESI. Significant consistency existed in TAR and LOS compared with KTAS and ESI.
KTAS seems preferable to triaged patients according to severity. It is helpful to order of priority in utilization for ED.
Key words: Emergency severity index, Korean Triage and Acuity Scale, Triage, Validity
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