Table 1 Demographic and clinical characteristics of the sample according to cluster analysis-defined delirium and nondelirium status
Variable | Whole sample | Dementia Subsample (S-IQCODE >85) | ||
|---|---|---|---|---|
Nondelirium (n = 151) | Delirium (n = 49) | Nondelirium (n = 76) | Delirium (n = 41) | |
Age (years) | 77.46 ± 10.30 | 81.06 ± 8.08 | 79.62 ± 7.48 | 81.12 ± 8.22 |
Education (years) | 5.14 ± 4.21 | 4.61 ± 3.55 | 3.42 ± 3.32 | 4.29 ± 3.64 |
Charlson comorbidity score | 1.81 ± 1.54 | 2.18 ± 1.18 | 2.07 ± 1.56 | 2.24 ± 1.18 |
Sex (%): | ||||
Men | 68 (45.0) | 29 (59.2) | 26 (34.2) | 26 (63.4) |
Women | 83 (55.0) | 20 (40.8) | 50 (65.8) | 15 (36.6) |
Occupational status (%) | ||||
Employed / Homemaker | 6 (4.0) | 2 (4.1) | 2 (2.6) | 1 (2.4) |
Retired / Pensioner | 143 (94.7) | 47 (95.9) | 74 (97.4) | 40 (97.6) |
Unemployed | 2 (1.3) | - | - | - |
Possible dementia1 (%) | 76 (50.3) | 41 (83.7) | N/A | N/A |
Medications used2 (%): | ||||
Anticholinergics | 60 (39.7) | 23 (46.9) | 30 (39.5) | 20 (48.8) |
Typical antipsychotics | 7 (4.6) | 5 (10.2) | 4 (5.3) | 3 (7.3) |
Atypical antipsychotics | 45 (29.8) | 36 (73.5) | 29 (38.2) | 32 (78.0) |
Benzodiazepines | 64 (42.4) | 20 (40.8) | 38 (50.0) | 15 (36.6) |
Cognitive enhancers | 10 (6.6) | 5 (10.2) | 9 (11.8) | 5 (12.2) |
Five most common main diagnoses on admission (%) | ||||
Dementia | 14 (9.3) | 17 (34.7) | 14 (18.4) | 17 (41.5) |
Convalescence for fracture: | ||||
Hip / Femur fracture | 31 (20.5) | 5 (10.2) | 15 (19.7) | 4 (9.8) |
Other types | 19 (12.6) | 3 (6.1) | 7 (9.2) | 1 (2.4) |
Psychiatric diagnosis | 17 (11.3) | - | 11 (14.5) | - |
Cerebrovascular disease | 15 (9.9) | 7 (14.3) | 7 (9.2) | 5 (12.2) |
Systemic infection | 9 (6.0) | 8 (16.3) | 5 (6.6) | 8 (19.5) |
Previous diagnosis of delirium3 | 18 (11.9) | 15 (30.6) | 12 (15.8) | 13 (31.7) |
DRS-R98 Severity Score | 5.60 ± 3.82 | 21.29 ± 4.50 | 7.47 ± 3.30 | 21.63 ± 4.51 |
DRS-R98 Total Score | 6.67 ± 5.00 | 25.99 ± 4.90 | 8.87 ± 4.37 | 25.76 ± 5.00 |
DSM-III-R diagnoses (%) | 16 (10.6) | 40 (81.6) | 10 (13.1) | 32 (78.0) |
DSM-IV diagnoses (%) | 14 (9.3) | 35 (71.4) | 7 (9.2) | 27 (65.8) |
DSM-5 diagnoses (%) | 18 (11.9) | 36 (73.5) | 10 (13.1) | 28 (68.3) |
ICD-10 diagnoses (%) | 6 (4.0) | 26 (53.1) | 5 (6.6) | 20 (48.8) |