Total oxygen therapy status and by subgroup
| Total (n=112) | Group 1 (n=45) | Group 2 (n=63) | P value | |
| Not hospitalised, n (%) | ||||
| Day 0 | – | – | – | – |
| Day 6 | 23 (21.3) | 10 (22.2) | 13 (20.6 | 0.843 |
| Hospitalised without supplemental oxygen, n (%) | ||||
| Day 0 | – | – | – | – |
| Day 6 | 8 (7.4) | 5 (11.1) | 3 (4.8) | 0.274 |
| Hospitalised with supplemental oxygen, n (%) | ||||
| Day 0 | 33 (29.5) | 13 (27.7) | 20 (30.8) | 0.751 |
| Day 6 | 28 (25.9) | 9 (20.0) | 19 (30.2) | 0.235 |
| Hospitalised with supplemental high-flow oxygen, n (%) | ||||
| Day 0 | 65 (58.0) | 29 (61.7) | 36 (55.4) | 0.444 |
| Day 6 | 23 (21.3) | 10 (22.2) | 13 (20.6) | 0.843 |
| Hospitalised, requiring IMV, ECMO or both, n (%) | ||||
| Day 0 | 14 (12.5) | 5 (10.6) | 9 (13.9) | 0.628 |
| Day 6 | 22 (20.4) | 10 (22.2) | 12 (19.1) | 0.686 |
| Death | ||||
| Day 0 | – | |||
| Day 6 | 4 (3.7) | 1 (2.2) | 3 (4.8) | 0.639 |
IMV, invasive mechanical ventilation; ECMO, extracorporeal membrane oxygenation.