3. Results
COVID-19 disease
MAY
There were 292 patients with COVID-19 disease admitted to the ICU from November 2021 to May 2022. Of those, 137 patients had one or more non-inclusion criteria met, leaving 155 patients eligible for randomization. Of those, 78 patients were randomized into the intervention group and 77 patients were randomized into the control group. Three patients from the intervention group were excluded because they did not receive vitamin D supplementation according to the study protocol. A study flow diagram is presented in Regarding the primary outcome results, the median number of days on respiratory support was 9 (IQR 6–16). The median number of days on respiratory support for the intervention group was 10 (IQR 6–13.9) and for the control group was 8 (IQR 6–12). There was no statistically significant difference in primary outcome between the two groups.