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Identification of indicators of efficacy of the kampo formulation unkeito for cold syndrome, using a patient‐based questionnaire database
Author(s) -
Kimura Yoko,
Tanaka Akira,
Kurokawa Takayo,
Morioka Yoriko,
Kume Yumi,
Chikada Naoko,
Isomura Tomoko,
Yamazaki Mayuko,
Kawashima Haruka,
Otani Kahori,
Jinnai Atsuko,
Sato Hiroshi,
Ito Takashi
Publication year - 2016
Publication title -
traditional and kampo medicine
Language(s) - English
Resource type - Journals
ISSN - 2053-4515
DOI - 10.1002/tkm2.1050
Subject(s) - kampo , medicine , cohort , logistic regression , retrospective cohort study , physical therapy , database , alternative medicine , pathology , computer science
Aim Coldness is a common complaint in kampo medicine, and is commonly treated with unkeito, but recommended indications (so‐called K uketsu ) are inconsistent. The aim of the present study was therefore to identify a set of self‐reported symptoms that would predict a positive outcome of treatment for coldness with unkeito, and that would therefore serve as specific indications for treatment with unkeito. Methods This was a retrospective cohort study of 70 female patients (median age, 33 years; range, 22–71 years) without organic abnormalities who complained of coldness, and who completed a self‐report questionnaire about their health using the present kampo questionnaire database system on their first visit. Another 26 female patients (median age, 38 years; range, 22–60 years) were assigned to verify the discriminatory predictive ability of the developed logit model. Patients were treated with two or three packages of unkeito per day for 1 month, and the efficacy of treatment was then recorded as a binary response. Results Unkeito decreased frequency and severity scales (0–4) of coldness from a median of 3.0 (range, 1–4) to 2.0 (range, 0–4; P  < 0.001) and from 3.0 (range, 2–4) to 2.0 (range, 0–4; P  < 0.001), respectively. Both frequency and severity of coldness were improved in 77.1% of patients. The developed model for prediction of treatment effect consisted of dry lips ( A kaike information criterion ( AIC ), −14.10), with coldness in the feet ( AIC , −25.01) but not in the whole body ( AIC , −25.01). Model validation with 26 new patients gave a predictive accuracy of 77%. Conclusion Dry lips, accompanied by coldness in the feet, but not in the whole body, are important indications for treatment with unkeito.

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