Development and Validation of a Novel Method for Converting the Japan Coma Scale to Glasgow Coma Scale

被引:57
作者
Nakajima, Mikio [1 ,2 ,3 ,5 ]
Okada, Yohei [3 ,4 ]
Sonoo, Tomohiro [3 ]
Goto, Tadahiro [2 ,3 ]
机构
[1] Fdn Ambulance Serv Dev, Emergency Life Saving Tech Acad Tokyo, Tokyo, Japan
[2] Univ Tokyo, Sch Publ Hlth, Dept Clin Epidemiol & Hlth Econ, Tokyo, Japan
[3] TXP Med Co Ltd, Tokyo, Japan
[4] Kyoto Univ, Grad Sch Med, Dept Primary Care & Emergency Med, Kyoto, Japan
[5] Fdn Ambulance Serv Dev, Emergency Life Saving Tech Acad Tokyo, 4-5 Minami Osawa, Hachioji, Tokyo 1920364, Japan
关键词
Glasgow Coma Scale; Japan Coma Scale; conversion; concordance; validation; SEPSIS; SCORE;
D O I
10.2188/jea.JE20220147
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background: The Japan Coma Scale (JCS) is the most frequently adopted method for evaluating level of consciousness in Japan. However, no validated method for converting the JCS to the Glasgow Coma Scale (GCS) exists. The aims of the present study were to develop and validate a method to convert the JCS to GCS.Methods: This is a multicenter retrospective analysis involving three emergency departments (EDs) in Japan. We included all adult patients who visited the ED between 2017 and 2020. The participating facilities were divided into two cohorts-one cohort to develop a table to convert the JCS to GCS (development cohort), and the other cohort to validate the conversion table (validation cohort). The conversion table of the JCS to GCS was developed based on the median values of the GCS. The outcome was the concordance rate between the JCS and GCS.Results: We identified 8,194 eligible patients. The development cohort included 7,373 patients and the validation cohort included 821 patients. In the validation cohort, the absolute and relative concordance rates were 80.3% (95% confidence interval, 77.4-82.9%) and 93.2% (95% confidence interval, 91.2-94.8%), respectively.Conclusion: This study developed and validated a novel method for converting the JCS to GCS. Assuming the offset by a single category between the JCS and GCS is acceptable, the concordance rate was over 90% in the general adult patient population visiting the ED. The conversion method may assist researchers to convert JCS scores into GCS scores, which are more commonly recognized among global audiences.
引用
收藏
页码:531 / 535
页数:5
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