Table 2. Resource use.
| Resource | All n=1,427 | First wave n=421 | Second wave n=1,006 | p value* |
|---|---|---|---|---|
| Support during ICU stay, n/total n (%) | ||||
| Non-invasive ventilation | 1,043/1,427 (73.1) | 225/421 (53.4) | 818/1,006 (81.3) | <0.001& |
| Mechanical ventilation | 494/1,427 (34.6) | 137/421 (32.5) | 357/1,006 (35.5) | 0.315& |
| Vasopressors | 434/1,427 (30.4) | 143/421 (34.0) | 291/1,006 (28.9) | 0.068& |
| High flow nasal cannula | 733/1,427 (51.4) | 97/421 (23.0) | 636/1,006 (63.2) | <0.001& |
| Renal replacement therapy | 149/1,427 (10.4) | 35/421 (8.3) | 114/1,006 (11.3) | 0.108& |
| ECMO | 20/1,427 (1.4) | 6/421 (1.4) | 14/1,006 (1.4) | 1.000& |
| Tracheostomy, n/total n (%) | 92/1,427 (6.4) | 26/421 (6.2) | 66/1,006 (6.6) | 0.879& |
| MV duration (days), median (IQR) | 9 (6-23) | 9 (5-15) | 10 (6-24) | 0.170# |
Values represent median (IQR) or n/total n (%).
* P values were calculated using; & χ2 test; # Mann-Whitney U test.
ICU: intensive care unit; ECMO: extracorporeal membrane oxygenation; MV: mechanical ventilation.