Table 2 CMR findings

LVEDVi (ml/m²)

25.8 ± 10.9 (11.8 - 71.2)

24.9 ± 12.6 (11.8 - 71.2)

27.8 ± 5.5 (21–35.2)

0.40

RVEDVi (ml/m²)

77.3 ± 26.4 (41.6 – 140.5)

81.8 ± 26.8 (47 – 140.5)

66.3 ± 23.6 (41.6 – 106)

0.16

LV/RV volume

0.39 ± 0.27 (0.1 - 1.51)

0.36 ± 0.3 (0.1 - 1.51)

0.47 ± 0.16 (0.26 – 0.71)

0.33

RVEF (%)

49.1 ± 9.1% (28 – 67)

49 ± 8.8% (28 – 62)

49.3 ± 10.7% (31–53)

0.94

LVEF (%)

59.4 ± 11.5% (36 – 81)

58.2 ± 11.1% (36 – 81)

62.3 ± 12.7% (36 – 77)

0.38

PDA flow* (L/min/m²)

0.86 ± 1.20 (−1.48 – 3.24)

1.44 ± 0.83 (0.04 – 3.24)

−0.62 ± 0.49 (−1,48 – -0.04)

< 0.0001

AAo flow (L/min/m²)

1.39 ± 0.99 (−0.19 – 2.96)

1.08 ± 0.85 (−0.19 – 2.41)

2.24 ± 0.88 (0.32 – 2.96)

0.003

SVC flow (L/min/m²)

1.37 ± 0.5 (0.46 – 2.93)

1.5 ± 0.51 (0.63 – 2.93)

1 ± 0.23 (0.46 – 1.22)

0.001

DAo flow (L/min/m²)

1.03 ± 0.48 (0.3 – 2.42)

1.13 ± 0.5 (0.3 – 2.42)

0.76 ± 0.26 (0.41 – 1.24)

0.06

Pulmonary flow (RPA + LPA) (L/min/m²)

4.22 ± 1.79 (1.62 – 7.39)

4.14 ± 1.71 (1.62 – 7.14)

4.41 ± 2.1 (1.82 – 7.39)

0.72

Systemic flow (SVC + DAo) (L/min/m²)

2.4 ± 0.94 (0.93 – 5.35)

2.66 ± 1 (0.93 – 5.35)

1.75 ± 0.23 (1.41 – 2.05)

0.02

Qp:Qs

2.2 ± 1.34 (0.38 – 5.82)

2.04 ± 1.36 (0.38 – 5.82)

2.57 ± 1.29 (0.89 – 4.26)

0.36

Contribution of PDA to Qs (%)

27.7 ± 48.3% (−87^† – 100)

52.5 ± 26.8% (4.7 – 100)

−34.2 ± 29.9% (−87.2 – -2.39)

< 0.0001

Contribution of PDA to DAo (%)

41.7 ± 74.7% (−100^† – 100)

81.7 ± 31.9% (5.2 – 100)

−63.2 ± 44.9% (−100 – -5.29)

< 0.0001

Upper body flow%

57.7 ± 8.2% (27.1 – 70.9)

57 ± 5.3% (46.7 – 67.7)

60.5 ± 13.4% (27 – 70.9)

0.96

AR ratio

0.59 ± 0.17 (0.28 – 0.92)

0.66 ± 0.14 ( (0.45-0.92)

0.40 ± 0.09 (0.28 – 0.52)

< 0.0001