Minimisation indices
| ABG (management pathway) | PaCO2 ≤6 + pH ≥7.35 | PaCO2 >6 + pH ≥7.35 | pH <7.35 |
| Hospital admissions in the previous year | 0 | 1 | 2 or more |
| Prior social care (private or social services) | None | Social care | |
| eMRCD score | 1–4 | 5a | |
| Cerebrovascular disease | Yes | No |
ABG, arterial blood gas; eMRCD score, Extended Medical Research Council Dyspnoea score.