ADO (for ‘Age, Dyspnoea and airflow Obstruction’) score discriminates survival at 6 months, 1 year and 4 years
| ADO index | 6-month survival (95% CI) | 1-year survival (95% CI) | 4-year survival (95% CI) |
|---|---|---|---|
| Score 2–3 | 93% (78 to 99) | 90% (76 to 96) | 65% (40 to 78) |
| Score 4–5 | 87% (68 to 94) | 78% (55 to 87) | 45% (15 to 58) |
| Score ≥6 | 77% (58 to 86) | 58% (38 to 69) | 20% (6 to 33) |