Fig. 2From: The effect of oral sildenafil therapy on health-related quality of life in adults with pulmonary arterial hypertension related to uncorrected secundum atrial septal defect: a quasi experimental studyThe median of EQ-5D utility score before and after 12 weeks of oral sildenafil therapy 3 × 20 mg in adult patients with PAH due to uncorrected secundum ASD proved to be statistically significant. * p < 0.05Back to article page