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Table 3 Characteristics according to cognitive function score

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

Cognitive function score (n) Normal (92) 1 (47) 2a (19) 2b (30) 3a (60) 3b (8) 4 (8) M (0) Unknown (7) p valuea
Age (year, median) 82 (78–87) 88 (81–90) 90 (83–92) 88 (82–92) 89 (85–93) 88 (86–94) 84 (81–89) – 82 (−)b < 0.001
Gender, Male 47 (51%) 22 (47%) 5 (26%) 11 (37%) 19 (32%) 3 (38%) 4 (50%) 0 (0%) 3 (43%) 0.272
Admitted by ambulance 6 (7%) 10 (21%) 2 (11%) 3 (10%) 10 (17%) 2 (25%) 3 (38%) 0 (0%) 1 (14%) 0.101
Presence of referral medical letter 23 (25%) 22 (47%) 7 (37%) 11 (37%) 31 (52%) 5 (63%) 4 (50%) 0 (0%) 4 (57%) 0.024
Department: Internal medicine 50 (54%) 30 (64%) 15 (79%) 18 (60%) 48 (80%) 5 (63%) 3 (38%) 0 (0%) 5 (71%) 0.323
General surgery 15 (16%) 7 (15%) 2 (11%) 2 (7%) 4 (7%) 3 (38%) 1 (13%) 0 (0%) 0 (0%) –
Cardiovascular Surgery 14 (15%) 7 (15%) 2 (11%) 5 (17%) 3 (5%) 0 (0%) 1 (13%) 0 (0%) 1 (14%) –
Place of abode before admission: Home 85 (92%) 42 (89%) 16 (84%) 27 (90%) 38 (63%) 4 (50%) 6 (75%) 0 (0%) 4 (57%) < 0.001
Care facility 5 (5%) 3 (6%) 1 (5%) 0 (0%) 4 (7%) 2 (25%) 1 (13%) 0 (0%) 0 (0%) –
Hospital 2 (2%) 2 (4%) 2 (11%) 3 (10%) 18 (30%) 2 (25%) 1 (13%) 0 (0%) 3 (43%)  
Duration of hospitalization (day) 10 (6–17) 12 (7–23) 14 (11–27) 13 (8–20) 16 (10–26) 16 (11–23) 19 (4–39) – 7 (−)b 0.010
Place of abode after discharge: Home 70 (89%) 27 (66%) 9 (50%) 14 (54%) 19 (35%) 2 (29%) 2 (33%) 0 (0%) 2 (29%) < 0.001
Care facility 5 (6%) 5 (12%) 4 (22%) 8 (31%) 16 (30%) 4 (57%) 2 (33%) 0 (0%) 3 (43%) –
Hospital 3 (4%) 5 (12%) 2 (11%) 1 (4%) 9 (17%) 1 (14%) 2 (33%) 0 (0%) 1 (14%) –
Death within 30 days after discharge 1 (1%) 2 (5%) 1 (6%) 0 (0%) 7 (14%) 0 (0%) 0 (0%) 0 (0%) 1 (14%) 0.079
  1. Categorical variables are presented as the number of patients and percentages, and continuous variables as the median and quartile range
  2. a For continuous and categorical variables, between-group comparisons were made using the F-test for analysis of variance and the Chi-square test, respectively
  3. b This category has no quartile range
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BMC Geriatrics

ISSN: 1471-2318

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