Cumulative incidence and 95% CI for in-hospital mortality according to wave and ceiling of care
| Wave 1 (Mar–Apr 2020) | Wave 2 (Oct–Nov 2020) | Wave 3 (Jan–Feb 2021) | Wave 4 (July–Aug 2021) | |
| No ceiling of care | 10.50% (9.23 to 11.92) | 10.15% (7.92 to 12.89) | 7.60% (5.68 to 10.09) | 5.22% (3.73 to 7.22) |
| Ceiling of care | 37.07% (34.48 to 39.74) | 40.00% (32.76 to 47.69) | 44.79% (37.06 to 52.76) | 30.06% (23.27 to 37.81) |