Fig. 4From: Changes in REVEAL risk score in patients with pulmonary arterial hypertension treated with macitentan in clinical practice: results from the PRACMA studyBox plots for brain natriuretic peptide (BNP) [a] and N-terminal proBNP (NT-proBNP) [b] data at baseline and ≥ 6-month time points in patients on macitentan. The box spans data values between the two quartiles (25th and 75th percentiles), with the horizontal line within the box marking the median value. The upper and lower limits represent 75th percentile + (interquartile range*1.5) and 25th percentile - (interquartile range*1.5), respectivelyBack to article page