Table 2. Comparison of hemodynamic and anatomical parameters between aged-matched, healthy volunteers (VOL-O) and patients with PH (PAT).

	4D Flow MRI		P value	2D Flow MRI		P value
	VOL-O	PAT		VOL-O	PAT
SV [ml]	81.1 ± 12.8	79.3 ± 17.5	0.8	82.0 ± 16.0	70.7 ± 17.1	0.1
Qmax [ml/s]	334.1 ± 66.0	321.3 ± 83.7	0.7	363.3 ± 73.3	356.2 ± 85.7	0.8
t_Qmax [ms]	136 ± 23.9	114.8 ± 21.5	<0.05*	124,7 ± 25.3	104.5 ± 28.5	0.07
vmax [cm/s]	87.9 ± 16.5	83.3 ± 17.6	0.5	96.8 ± 18.5	80.3 ± 15.9	<0.05*
t_vmax [ms]	143.2 ± 40.5	114.8 ± 21.5	0.2	142.18 ± 50.5	131.47 ± 29.7	0.5
Amax [mm2]	730.2 ± 140.7	1152.9 ± 237.4	<0.01*	666.2 ± 114.0	1071.1 ± 279.6	<0.01*
Amin [mm2]	545.7 ± 106.7	927.5 ± 118.2	<0.01*	473.8 ± 95.5	906.5 ± 204.7	<0.01*
Strain [%]	34.8 ± 13.3	24.5 ± 8.8	<0.05*	41.2 ± 12.4	21.2 ± 7.3	<0.01*

Values are given as average ± standard deviation; asterisk (*) indicates statistical significance.