Table 5.
Variables associated with readmission to hospital within 30 days of dischargea
| Variable | OR | 95% CI | p-value |
|---|---|---|---|
| Gender | 0.89 | 0.63–1.25 | 0.500 |
| Emergent admission | 1.43 | 0.73–2.77 | 0.297 |
| Charlson Comorbidity Index | 1.12 | 1.04–1.20 | 0.002 |
| Number of hospitalisations 12 months | 1.41 | 1.19–1.68 | < 0.001 |
| Length of stay 5 days or longer | 1.72 | 1.18–2.49 | 0.005 |
| Day of discharge (reference: Monday-Thursday) | 0.007 | ||
| Friday/Day before weekend/holiday | 1.88 | 1.24–2.87 | 0.003 |
| Weekend/Holiday | 0.83 | 0.44–1.54 | 0.551 |
| Discharging unit (reference: Internal medicine) | 0.004 | ||
| General surgery | 2.09 | 1.34–3.24 | 0.001 |
| Infection | 0.54 | 0.26–1.13 | 0.101 |
| Orthopaedics | 1.02 | 0.53–1.96 | 0.949 |
| Gynaecology/Ear Nose Throat | 1.47 | 0.55–3.93 | 0.442 |
| Living in own home with home care | 1.61 | 1.06–2.45 | 0.025 |
| Major surgery performed during Index | 0.59 | 0.37–0.94 | 0.027 |
| Excessive polypharmacyb | 1.66 | 1.15–2.40 | 0.007 |
Abbreviations: CI Confidence Interval
aAdjusted for gender, type of admission and age (within the age-adjusted Charlson Comorbidity Index) bDefined as the daily use of 10 medications or more
Hosmer Lemeshow goodness of fit test p-value: 0.457. Nagelkerke R2: 0.228.
Significant p-values are indicated in bold.