Vitamin D deficiency is an independent predictor of mortality in patients with chronic heart failure

Low 25-hydroxyvitamin D (25[OH]D) concentrations have been associated with adverse outcomes in selected populations with established chronic heart failure (CHF). However, it remains unclear whether 25[OH]D deficiency is associated with mortality and hospitalisation in unselected patients receiving contemporary medical and device therapy for CHF. We prospectively examined the prevalence and correlates of 25[OH]D deficiency in 1802 ambulatory...