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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Development of the Japanese Core Outcome Measures Index (COMI): cross-cultural adaptation and psychometric validation

Fig. 2

Box plots of the COMI summary score by prognostic risk groups(a). a Participants were stratified into three prognostic risk groups based on the total score of the 9 questions and on the sub score for the 5 psychological questions of the STarT: low risk (total score of 0–3), medium risk (total score of ≥4 with sub score of ≤3), and high risk (sub score of ≥4) groups [21]. COMI: core outcome measures index; STarT: the Keele STarT Back Screening Tool

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