Table 2.
Cox regression (variables included: those with significance < 0.2 in the bivariate analysis, as well as sex and geriatric care trained residents)
| Variable | All patients | Discharged from emergency department n = 682 | Referral to hospitalization n = 699 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HR (95% CI) | Significance | HR (95% CI) |
Significance | HR (95% CI) | Significance | ||||
| Age | 1.03 | (1.00-1.05) | 0.007 | 1.04 | (1.00–1.09) | 0.04 | 1.02 | (0.99–1.05) | 0.38 |
| Woman | 0.75 | (0.52–1.07) | 0.117 | 0.45 | (0.22–0.90) | 0.02 | 0.82 | (0.52–1.28) | 0.38 |
| Schooling | 1.03 | (0.99–1.06) | 0.145 | 1.00 | (0.93–1.08) | 0.79 | 1.03 | (0.98–1.07) | 0.14 |
| Length of stay in ED | 1.00 | (1.00–1.01) | < 0.001 | 1.00 | (0.99–1.00) | 0.12 | 1.01 | (1.00–1.01) | 0.001 |
| Delayed in seekig attention at ED | 0.79 | (0.54–1.15) | 0.22 | 1.99 | (0.99–3.98) | 0.05 | 0.52 | (0.31–0.86) | 0.001 |
| Referral to hospitalization | 2.79 | (1.89–4.10) | < 0.001 | – | – | – | – | – | – |
| Geriatric care trained residents model (Hospital A final) | 0.64 | (0.39–1.11) | 0.115 | 1.02 | (0.42–2.47) | 0.95 | 0.64 | (0.33–1.24) | 0.18 |
| Health problems: | |||||||||
| Anorexia/weight loss | 4.86 | (0.49–48.07) | 0.176 | 2.92e-15 | (0–0) | 1.00 | 60.64 | (4.61–796.77) | 0.002 |
| Neurologic | 0.80 | (0.32–2.04) | 0.653 | 5.88 | (1.73–19.89) | 0.004 | 0.18 | (0.02–1.36) | 0.09 |
| Diabetes-associated | 1.39 | (0.43–4.50) | 0.587 | 0.69 | (0.08–5.68) | 0.73 | 1.61 | (0.37–7.00) | 0.52 |
| Cardiovascular | 1.11 | (0.52–2.34) | 0.791 | 1.45 | (0.18–11.37) | 0.72 | 1.15 | (0.50–2.61) | 0.73 |
| Pneumological | 1.68 | (1.03–2.75) | 0.037 | 1.07 | (0.34–3.31) | 0.90 | 1.66 | (0.94–2.93) | 0.07 |
| Gastrointestinal | 1.04 | (0.64–1.68) | 0.879 | 1.09 | (0.46–2.60) | 0.83 | 0.87 | (0.47–1.60) | 0.67 |
| Genitourinary | 0.20 | (0.03–1.42) | 0.107 | 2.16e-15 | (0–0) | 0.90 | 0.29 | (0.03–2.15) | 0.22 |
| Delirium scale changes, n (%) | |||||||||
| Same | Reference | ||||||||
| Improved | 0.81 | (0.39–1.68) | 0.581 | 0.69 | (0.19–2.47) | 0.57 | 0.63 | (0.25–1.60) | 0.34 |
| Worsened | 1.61 | (0.55–4.73) | 0.383 | 1.16 | (0.13–10.03) | 0.89 | 2.21 | (0.63–7.76) | 0.21 |
| Grip strength | 0.97 | (0.94–1.00) | 0.101 | 1.00 | (0.96–1.05) | 0.71 | 0.93 | (0.88–0.98) | 0.007 |
| Number of medications | 1.05 | (0.99–1.12) | 0.108 | 1.17 | (1.03–1.33) | 0.01 | 1.03 | (0.95–1.11) | 0.37 |
| Mini-mental state examination score | 0.98 | (0.95–1.01) | 0.291 | 0.97 | (0.90–1.04) | 0.41 | 0.99 | (0.95–1.03) | 0.38 |
| Barthel index score | 0.99 | (0.99–1.00) | 0.171 | 0.99 | (0.98–1.01) | 0.67 | 0.99 | (0.98–1.00) | 0.14 |
| FRAIL dichotomic (≥2) | 0.93 | (0.63–1.39) | 0.738 | 0.43 | (0.18–1.03) | 0.06 | 1.18 | (0.73–1.89) | 0.48 |
| ISAR dichotomic (≥2) | 1.11 | (0.63–1.96) | 0.707 | 2.05 | (0.57–7.32) | 0.26 | 0.83 | (0.43–1.60) | 0.59 |