Figure 3From: Vitamin D status and its association with season, hospital and sepsis mortality in critical illnessUnadjusted Kaplan-Meier plot for hospital survival stratified by definition of vitamin D deficiency (a) and month-specific vitamin D tertiles (b). Using the log-rank test, hospital mortality was significantly different between vitamin D sufficiency, insufficiency and deficiency (P = 0.034) and vitamin D tertiles (P = 0.004).Back to article page