Fig. 2From: Vitamin D status in hospitalized COVID‑19 patients is associated with disease severity and IL-5 productionSerum 25(OH)D status in patients with different degrees of COVID-19. The 25(OH)D status was significantly reduced in the deceased group compared with that in the other three groups, and the mean levels in the critical group were lower than the general group. The levels of 25(OH)D in serum between the general group and the severe group were no significant differences to be found. *P < 0.05, **P < 0.01, **P < 0.001Back to article page