High inter-rater reliability of Japanese bedriddenness ranks and cognitive function scores: a hospital-based prospective observational study

Table 4 Differences of bedriddenness rank between assessments by nurses and by other staff

Bedriddenness rank			Assessment 2								Total		Concordance rate %
Bedriddenness rank		Normal	J1	J2	A1	A2	B1	B2	C1	C2	n	%	Concordance rate %
Assessment 1	Normal	50	8	1	2	4	0	1	0	0	66	24.4	75.8
	J1	2	3	1	1	2	0	0	0	1	10	3.7	30.0
	J2	3	1	6	4	0	0	1	0	0	15	5.5	40.0
	A1	3	2	1	7	2	1	1	0	1	18	6.6	38.9
	A2	2	1	3	2	22	0	1	0	0	31	11.4	71.0
	B1	3	0	0	1	3	27	2	1	0	37	13.7	73.0
	B2	2	1	0	0	5	4	23	0	0	35	12.9	65.7
	C1	1	1	0	0	2	1	2	15	0	22	8.1	68.2
	C2	0	0	0	0	1	1	2	0	28	32	11.8	87.5
	Unknown	1	0	0	0	0	0	1	0	3	5	1.8	NA
Total		67	17	12	17	41	34	34	16	33	271	100	68.6

The bedriddenness rank, routinely checked by a nurse, was derived from the medical charts for Assessment 1. In Assessment 2, bedriddenness was checked independently within 72 h after admission, and without knowledge of the Assessment 1 results, by a medical social worker or a medical clerk, i.e. a person of a medical profession other than a nurse

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