a strong trendp = 0.15
Furthermore, the HDIVC group had a strong trend towards more ventilator-free days (13.1 in the HDIVC group vs. 10.6 in the placebo group mean difference, 2.47, 95% CI − 0.90–5.85, p = 0.15), ICU-free days to day 28 (10.7 in the HDIVC group vs. 7.7, in the placebo group, p = 0.03), and more hospital-free days (22.6 in the HDIVC group vs. 15.5, respectively, p = 0.04).