Logistic regression model for the 90-day readmission risk in subjects discharged with chronic obstructive pulmonary disease
| OR (95% CI) | p-value | |
| Age years | 1.013 (1.010–1.017) | 0.0001 |
| Charlson Comorbidity Index points | 1.093 (1.066–1.121) | 0.0001 |
| Comorbid chronic pulmonary diseases | 1.133 (1.036–1.239) | 0.0063 |
| Ventilatory support | 1.133 (1.036–1.239) | 0.0015 |
| Diabetes | 0.899 (0.815–0.992) | 0.034 |
| Previous admission (one or more) | 2.479 (2.301–2.671) | 0.0001 |
N=15 191. Data are from a random effects model adjusting for country.