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Table 2 Dimensions of the great arteries and indices of right ventricular hypertrophy for the prediction of moderate/severe pulmonary hypertension

From: Pulmonary artery to aorta ratio for the detection of pulmonary hypertension: cardiovascular magnetic resonance and invasive hemodynamics in heart failure with preserved ejection fraction

Variable

mPAP < 30 mmHg 40 patients (36 %)

mPAP ≥ 30 mmHg 71 patients (64 %)

All 111 patients

p-value

PA diameter [mm]

26.3 ± 5.1

30.9 ± 5.1

29.2 ± 5.5

<0.001

Ao diameter [mm]

33.6 ± 4.3

33.4 ± 4.1

33.5 ± 4.1

0.856

PA:Ao ratio

0.79 ± 0.1

0.93 ± 0.2

0.89 ± 0.2

<0.001

SMT diameter [mm]

3.8 ± 1.2

4.6 ± 1.2

4.3 ± 1.4

0.008

SMT area [mm2]

0.96 ± 0.3

1.11 ± 0.5

1.06 ± 0.4

0.136

RVFW [mm]

4.0 ± 1.2

4.3 ± 1.1

4.2 ± 1.2

0.183

  1. PA indicates pulmonary artery, Ao ascending aorta, RVFW right ventricular free wall, SMT septomarginal trabeculation