Table 2 Primary and Secondary Outcomes According to the Allocation Group
Low Tidal Volume (n = 614) | Conventional Tidal Volume (n = 592) | Absolute Difference (95% CI) | p value | |
|---|---|---|---|---|
Primary outcome | ||||
Delirium during hospital stay | 68 (11.1) | 67 (11.3) | -0.24 (-3.82 to 3.32) | 0.894 |
Key secondary outcome | ||||
Delirium during hospital staya | 68 (11.1) | 67 (11.3) | -0.24 (-3.82 to 3.32) | 0.894 |
Secondary outcomes | ||||
Number of doses of anxiolytic | 3.5 (2.0 – 7.5) | 3.0 (1.0 – 10.0) | 0.66 (-1.58 to 2.90) | 0.562 |
Number of doses of antipsychotic | 3.0 (2.0 – 6.0) | 4.0 (1.5 – 10.5) | -1.00 (-4.95 to 2.95) | 0.622 |
Total dose of antipsychotic | 9.4 (3.0 – 20.9) | 4.0 (2.5 – 30.0) | 5.98 (-7.15 to 19.12) | 0.376 |