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Table 1 Cardiac and extracardiac abnormalities of 81 HTX patients with CHDs in this study

From: De novo disruptive heterozygous MMP21 variants are potential predisposing genetic risk factors in Chinese Han heterotaxy children

Abnormalities

Number

Percentage (%)

Sex

Male

50

61.73

Female

31

38.27

Cardiac position

Levocardia

20

24.69

Dextrocardia

45

55.56

Mesocardia

16

19.75

Atrial isomerism

Single atrium

22

27.16

Left atrial isomerism

3

3.70

Right atrial isomerism

27

33.33

Ventricular isomerism

Single ventricle

28

34.57

Bronchi

Bronchial inversus

16

19.75

Spleen

Polysplenia

16

19.75

Asplenia

7

8.64

Stomach

Dextrogastria

2

2.47

Abnormal superior/inferior vena cava

22

27.16