Prevalence of unplanned nursing home admissions with regard to associations with sociodemographic characteristics and clinical and medical conditions among polymedicated hospitalised older adults (N=14 705)
| Variables | Unplanned nursing home admission, n (%) | P value |
| Overall sample of older adults (n=14 705) | 903 (6.1) | |
| Sex | <0.001 | |
| Female/male | 575 (8.8)/328 (4.0) | |
| Age in years | <0.001 | |
| 65–69 | 49 (2.2) | |
| 70–79 | 192 (3.2) | |
| 80–89 | 437 (8.3) | |
| 90 or more | 225 (19.7) | |
| Mobility | <0.001 | |
| Full ability (0)/impairment (1) | 214 (2.0)/689 (16.7) | |
| Dependence in the activities of daily living | <0.001 | |
| Full ability (0)/impairment (1) | 472 (3.4)/431 (44.8) | |
| Mental status | <0.001 | |
| Full ability (0)/impairment (1) | 531 (3.8)/372 (41.3) | |
| ICD-10 principal diagnosis: circulatory problems | <0.001 | |
| No (0)/yes (1) | 752 (6.7)/151 (4.3) | |
| ICD-10 principal diagnosis: infection | 0.003 | |
| No (0)/yes (1) | 892 (6.2)/11 (2.7) | |
| ICD-10 principal diagnosis: respiratory problems | 0.226 | |
| No (0)/yes (1) | 797 (6.1)/106 (6.8) | |
| ICD-10 principal diagnosis: traumatic injuries | <0.001 | |
| No (0)/yes (1) | 720 (5.3)/183 (14.9) | |
| ICD-10 principal diagnosis: tumour | 0.001 | |
| No (0)/yes (1) | 835 (6.4)/68 (4.3) | |
| Number of ICD-10 diseases | <0.001 | |
| 1 | 5 (1.8) | |
| 2 | 17 (2.9) | |
| 3 | 37 (3.9) | |
| 4 | 47 (3.9) | |
| 5 or more | 797 (6.8) | |
| Number of surgical interventions (CHOP) | <0.001 | |
| 0 | 379 (7.8) | |
| 1 | 187 (6.4) | |
| 2 | 135 (5.8) | |
| 3 | 79 (5.2) | |
| 4 | 39 (3.5) | |
| 5 or more | 84 (4.2) | |
| Year of hospitalisation | 0.002 | |
| 2015 | 276 (7.3) | |
| 2016 | 216 (6.1) | |
| 2017 | 194 (5.2) | |
| 2018 | 217 (5.9) | |
| Number of drugs at hospital discharge | 10.91 (SD=3.89) | <0.001* |
*Mann-Whitney U test.
CHOP, Swiss Classification of Surgical Interventions; ICD-10, International Classification of Diseases, 10th version.