Non-invasive evaluation of pulmonary arterial blood flow and wall shear stress in pulmonary arterial hypertension with 3D phase contrast magnetic resonance imaging

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Table 1 Baseline characteristics of study participants

	Healthy volunteers	PAH patients	p value
Number, n	6	9
Age, years	45.8 ± 8.9	41.8 ± 14.7	0.558
Gender, n (male/female)	4/2	1/8	0.089
Height, cm	163.2 ± 10.7	157.7 ± 5.8	0.288
Body weight, kg	60.4 ± 11.1	53.2 ± 6.4	0.234
Body mass index, kg/m²	22.0 ± 2.5	21.4 ± 2.0	0.635
Body surface area, m²	1.63 ± 0.20	1.52 ± 0.11	0.209
IPAH/APAH, n	N/A	5/4
PDE-5 inhibitors, n (%)	N/A	8 (88.9)
Endothelin receptor antagonists, n (%)	N/A	8 (88.9)
Prostanoids, n (%)	N/A	5 (55.6)

Data are expressed as n (%) or mean ± standard deviation
PAH pulmonary arterial hypertension, IPAH idiopathic pulmonary arterial hypertension, APAH associated pulmonary arterial hypertension, PDE-5 inhibitors phosphodiesterase 5 inhibitors, N/A not available