Fig. 1From: Serum human epididymis protein 4 level as a predictor of clinical worsening in idiopathic pulmonary arterial hypertension: a pilot studySerum HE4 levels in IPAH patients and control subjects. *p<0.05. HE4 human epididymis protein 4, IPAH idiopathic pulmonary arterial hypertensionBack to article page