Demographics and clinical characteristics of patients who had CPAP withdrawn. N=19
| Age, mean (range) | 75 (60–84) years |
| Length of stay, mean (range) | 12.1 (5–27) days |
| Clinical Frailty Scale score, mean (range) | 4 (1–7) |
| Duration of CPAP, mean (range) | 8.2 (3–16) days |
| Maximum CPAP PEEP, mean (range) | 13 (10–15) cmH2O |
| Maximum FiO2, mean (range) | 90% (60–100%) |
| Ethnicity, % BAME | 84% |
| CPAP withdrawal planned | 84% |
| Daytime (9am–5pm) CPAP withdrawal | 84% |
| Comorbidities | |
| Endocrine | 26% |
| Cardiovascular | 74% |
| Respiratory | 26% |
| Neurological | 32% |
| Haematological | 32% |
| Other | 89% |
BAME = Black, Asian or minority ethnicity; CPAP = continuous positive airway pressure; FiO2 = fraction of inspired oxygen; PEEP = positive end expiratory pressure