Fig. 2From: Vitamin D deficiency among patients with pulmonary hypertensionPrevalence of Vit D deficiency in the different study groups, expressed as percentages. *Differences were significant, p < 0.01, PH versus LVF and HS. HS, healthy subjects; LVF, left ventricular failure; PH, pulmonary hypertension; Vit D, vitamin DBack to article page