Fig. 3From: High inter-rater reliability of Japanese bedriddenness ranks and cognitive function scores: a hospital-based prospective observational studyBox and Whisker diagrams showing the relationship between the MHLW cognitive function scores and (a) the BI, and (b) the KI. Spearman’s rank correlation coefficient between the MHLW cognitive function scores and the BI was − 0.667, p < 0.001 (a), and between the cognitive function scores and the KI this was − 0.661, p < 0.001 (b). No patients had a cognitive function score category of MBack to article page