Characteristics | Improvement | Bivariate analysis | Multivariate analysis | |||||
---|---|---|---|---|---|---|---|---|
Yes (N = 488) | No (N = 65) | UnadjOR | 95%CI | P-value | AdjORa | 95%CI | P-value | |
Mental status: | ||||||||
-No cognitive, no affective impairment (%) | 91.2 | 8.8 | reference | – | – | |||
-Affective impairment only (%) | 88.4 | 11.6 | 0.74 | 0.27–2.02 | .552 | 0.79 | 0.27–2.31 | .661 |
-Cognitive impairment only (%) | 86.1 | 13.9 | 0.60 | 0.33–1.09 | .096 | 0.70 | 0.34–1.43 | .336 |
-Combined cognitive and depressive impairment (%) | 73.8 | 26.2 | 0.27 | 0.12–0.60 | .001 | 0.40 | 0.16–1.00 | .049 |
Age (years, mean ± SD) | 83.9 ± 7.0 | 85.4 ± 6.9 | 0.98 | 0.94–1.01 | 0.164 | 0.97 | 0.93–1.01 | .260 |
Women (%) | 79.9 | 71.2 | 1.61 | 0.93–2.79 | 0.09 | 1.44 | 0.73–2.89 | .292 |
Living alone prior to hospitalization (%) | 68.0 | 53.5 | 1.84 | 1.12–3.05 | 0.02 | 1.54 | 0.81–2.93 | .185 |
Formal home care prior to hospitalization (%) | 47.9 | 58.8 | 0.64 | 0.38–1.07 | 0.09 | 0.75 | 0.41–1.38 | .355 |
Number of comorbidities (mean ± SD) | 6.8 ± 3.6 | 7.2 ± 3.7 | 0.97 | 0.91–1.03 | 0.33 | 1.01 | 0.93–1.10 | .696 |
Basic ADLb score prior to hospitalization (mean ± SD) | 5.4 ± 0.4 | 4.5 ± 1.6 | 1.72 | 1.42–2.09 | <.001 | 1.92 | 1.48–2.48 | <.001 |
Barthel Index scorec at admission (mean ± SD) | 53.2 ± 16.5 | 50.4 ± 24.5 | 1.01 | 0.99–1.02 | 0.214 | 0.98 | 0.96–1.00 | .022 |