| Variable | Regression coefficient | Score |
|---|---|---|
| Diagnosis | ||
| Acute bronchitis | 0 | 1 |
| Exacerbation of COPD | 0.395 | 4 |
| Pneumonia | 1.737 | 2 |
| Diabetes | 0.786 | 2 |
| Use of oral glucocorticoids | 0.978 | 2 |
| Use of antibiotics in previous month | 0.765 | 2 |
| Hospitalisation in previous year | ||
| 0 | 0 | |
| 1 | 0.752 | 2 |
| ≥2 | 1.990 | 5 |
COPD = chronic obstructive pulmonary disease.