ArticleJournal of epidemiology2023
Development and Validation of a Novel Method for Converting the Japan Coma Scale to Glasgow Coma Scale.
Article in Journal of epidemiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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42 citing papers in PubMed.
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- Overview of Immunotherapy Administration for Miller Fisher Syndrome in Japan: A Nationwide Retrospective Cohort Study.Annals of clinical epidemiology · 2026Article
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- Risk-benefit balance of blood cultures among patients with stage IV cancer in unplanned admission: a nationwide propensity score-weighted study in Japan.The Journal of antimicrobial chemotherapy · 2025Article
- Association between early administration of mucoactive agents and in-hospital mortality in patients with pneumonia requiring mechanical ventilation: a nationwide cohort study.Journal of intensive care · 2025Article
- Outcomes of patients with unstable circulation transported by a physician-staffed helicopter using the keyword method in Japan.Journal of rural medicine : JRM · 2025Article
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- Comparison between the Outcomes of Pentamidine and Trimethoprim-Sulfamethoxazole for Pneumocystis Pneumonia in Non-HIV Patients: A Nationwide Japanese Retrospective Cohort Study.Internal medicine (Tokyo, Japan) · 2025Article
- Mortality of severe pneumonia treated with methylprednisolone versus hydrocortisone: a propensity-matched analysis.Journal of intensive care · 2025Article
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- Pupillary Responses and Vital Signs in Hypoglycemic Patients with Impaired Consciousness During Prehospital Care: A Retrospective Observational Study.Diagnostics (Basel, Switzerland) · 2025Article
- Association Between Ceftriaxone Use and Biliary Infections in Patients With Pneumonia: A Nationwide Retrospective Cohort Study.Pharmacoepidemiology and drug safety · 2025Article
- Comparison between OK-432 and Talc for pleurodesis in patients with persistent pulmonary air leak: a Japanese nationwide retrospective database study.General thoracic and cardiovascular surgery · 2025Article
- Observational
- Associations Between Mean Arterial Pressure and Prognosis in Acute Myocardial Infarction Complicated by Cardiogenic Shock Differ Depending on Coma Status.Circulation reports · 2025Article
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe 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.
methodsThis 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.
resultsWe 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.
conclusionThis 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.
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