The Egyptian Heart Journal

Table 1 Comparison between the 4D-CMR and 2D-PC flows across the pulmonary arteries regarding the stroke volume index, regurgitation fraction, and peak systolic velocity

From: Assessment of flow pattern of right ventricle outflow and pulmonary arteries in surgically corrected tetralogy of Fallot patients by four-dimensional cardiac magnetic resonance flow

	4D-CMR flow	2D-PC flow	Significance paired t test
*MPA*
SVI (ml/m²)	44.87 ± 35.71	48.11 ± 41.79	P = 0.179
RF (%)	24.25 ± 22.27	20.53 ± 18.98	P = 0.027*
PSV (cm/s)	158.15 ± 28.78	148.34 ± 24.65	P = 0.003*
*RPA*
SVI (ml/m²)	27.84 ± 17.11	30.46 ± 20.10	P = 0.218
RF (%)	18.75 ± 19.69	14.29 ± 16.57	P = 0.039*
PSV (cm/s)	160.09 ± 46.33	144.50 ± 46.98	P < 0.001*
*LPA*
SVI (ml/m²)	21.13 ± 17.11	22.92 ± 20.26	P = 0.091
RF (%)	26.36 ± 22.17	21.51 ± 18.95	P = 0.046*
PSV (cm/s)	154.30 ± 40.62	136.36 ± 39.79	P = 0.002*

P P value for Wilcoxon signed ranks test for comparing between 4D-CMR and 2D-PC flows
*Statistically significant at P ≤ 0.05

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