Small retrospective study of 135 patients not finding a significant difference in vitamin D status. Patients with good outcomes had a median of 45.0 nmol/L versus 37.7 nmol/L for bad outcomes, p
Authors found that vitamin D sufficient persons had accelerated elastic fiber degradation, they hypothesize pro-calcification effects during COVID-19 and that vitamin K might compensate for this.
Walk et al., 11/9/2020, retrospective, Netherlands, Europe, preprint, 5 authors.
risk of combined intubation/death, 0.4% higher, RR 1.00, p = 1.00, treatment 48 of 110 (43.6%), control 10 of 23 (43.5%), >25nmol/L.