Factors associated with death and need for post-hospital support at discharge on univariate analysis
| Death | Supported discharge | |||
| Present | Absent | Present | Absent | |
| Age yrs | 78.6±8.1 | 72.0±12.0* | 78.4±9.6 | 68.9±11.9* |
| Self-referral | 5.1 | 21.8* | 15.8 | 23.9* |
| Previous home support/institutionalisation | 56.9 | 33.8* | 60.4 | 21.0* |
| Body mass index kg·m−2 | 24.1±5.3 | 25.5±5.8 | 24.8±6.0 | 25.8±5.7 |
| Dyspnoea grade | 4.6±0.6 | 4.1±1.1* | 4.4±1.0 | 4.0±1.2* |
| Cyanosis | 50.9 | 27.3* | 37.1 | 23.6* |
| Neurological impairment | 37.3 | 8.9* | 16.9 | 5.3* |
| Lower limb oedema | 33.9 | 22.5* | 27.7 | 20.0* |
| Asterixis | 17.0 | 7.1* | 7.0 | 7.0 |
| Use of inspiratory accessory muscles | 72.9 | 49.2* | 60.6 | 42.3* |
| Expiratory use of abdominal muscles | 52.5 | 36.7* | 44.6 | 32.9* |
| Clinical severity index | 1.5±0.6 | 0.9±0.7* | 1.1±0.7 | 0.8±0.7* |
| Respiratory frequency breaths·min−1 | 28.2±8.2 | 26.7±7.1 | 27.6±7.2 | 26.1±7.0* |
| Cardiac frequency beats·min−1 | 98.3±23.9 | 98.5±19.5 | 98.2±20.0 | 98.3±19.2 |
| Hospitalisation during past 6 months | 53.2 | 36.6* | 44.9 | 33.4* |
| Maintenance oral corticosteroids | 22.2 | 13.2 | 14.8 | 12.1 |
| Long-term oxygen therapy | 50.0 | 21.2* | 29.1 | 17.4* |
Data are presented as mean±sd or percentage. *: p<0.05 versus death/supported discharge.