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

Abstract

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Japan Coma Scale and the Disorientation of the Nervous System

“…5,6 Such changes in 28 consciousness are crucial warning indications in clinical settings, and studies that try to identify such 29 characteristics should use caution when using this conversion method. 30 31 Overall, we acknowledge the significance of the study by Nakajima et al 1 to convert JCS 32 into GCS, especially in database research and epidemiological studies. However, we also believe that 33 JCS is an important evaluation method of awareness in patients, and the results should also be provided 34 simultaneously with JCS and GCS.…”

“…3 As the authors have mentioned, JCS is the most common method to gauge the level of 4 consciousness in Japan. 1 For example, the paramedics that contact the patient on sight would evaluate 5 the level of consciousness using JCS, instead of GCS. As a result, many databases in Japan extensively 6 record JCS, which was not an evaluation method of use internationally.…”

“…As a result, many databases in Japan extensively 6 record JCS, which was not an evaluation method of use internationally. This has been a limitation of 7 Japanese studies to be compared with other studies from abroad, and the conversion method developed 8 by Nakajima et al 1 would serve as a crucial link to bring the Japanese evidence to a global level. 9…”

“…However, we also believe that 33 JCS is an important evaluation method of awareness in patients, and the results should also be provided 34 simultaneously with JCS and GCS. As the authors mention in the limitations, JCS and GCS should be 35 evaluated independently, 1 and data obtained directly from the evaluation by physicians in contact of al. 1 should be aware of such limitations.…”

“…As the authors mention in the limitations, JCS and GCS should be 35 evaluated independently, 1 and data obtained directly from the evaluation by physicians in contact of al. 1 should be aware of such limitations. 39 40…”