Table 2 Baseline echocardiographic characteristics of patients with and without RVSD

Right atrial end-systolic area, cm²

19.7 ± 7.6

15.8 ± 8.1

0.149

Right atrial length, mm

42.9 ± 10.2

42.5 ± 11.1

0.916

Right ventricular basal diameter, mm

49.6 ± 9.3

47.7 ± 10.7

0.583

TAPSE, mm

13.1 ± 2.6

20.3 ± 2.2

<0.001*

Right ventricular S’, cm/s

10.6 ± 3.2

15.3 ± 3.9

<0.001*

RIMP

1.09 ± 0.60

1.76 ± 1.30

0.032*

RV wall thickness, mm

3.6 ± 1.2

3.5 ± 0.8

0.952

Tricuspid Valve E:A ratio

1.21 ± 0.44

0.90 ± 0.35

0.019*

Tricuspid Valve E/e’

5.08 ± 2.73

3.46 ± 1.45

0.023*

Left atrial diameter, mm

43.2 ± 6.4

41.9 ± 6.2

0.548

LV end-diastolic diameter, mm

62.0 ± 7.5

62.4 ± 11.7

0.910

LV ejection fraction, %

32.4 ± 9.3

36.6 ± 7.7

0.127

LV stroke volume index, L/m²

39.9 ± 12.3

51.4 ± 17.9

0.017

Anti-log₁₀ mitral valve E:A

1.50 ± 0.62

1.31 ± 0.25

0.154

Mitral valve E/e’

15.96 ± 7.13

15.61 ± 7.06

0.882

PA acceleration time, ms

61.8 ± 22.4

78.9 ± 28.0

0.037*

PA systolic pressure, mmHg

47.4 ± 19.4

39.2 ± 21.5

0.246

Mean PAP, mmHg

30.6 ± 11.6

25.9 ± 13.1

0.273

Pulmonary hypertension

23 (71.9 %)

7 (53.9 %)

0.304