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Table 2 Distribution of septal defects among different septal defect subtypes

From: Congenital septal defects in Karachi, Pakistan: an update of mutational screening by high-resolution melting (HRM) analysis of MTHFR C677T

S. No.

Septal defect

Subtype of septal defect

Number of patients

Contribution in subsets (%)

%Age in total data of CHD (n = 144)

01

ASD (n = 50)

ASD II

31

62

21.5

ASD IV

01

2

0.69

PFO

02

4

1.39

Surgical close

05

10

3.47

Complex septal defect (ASD with other CHD)

11

22

7.64

02

VSD (n = 50)

Peri-membranous

21

42

14.6

Muscular

07

14

4.86

Supracristal

02

4

1.39

Misaligned

02

4

1.39

Multiple

02

4

1.39

Surgical close

06

12

4.17

Complex septal defect (VSD with other CHD)

10

20

6.9

03

AVSD (n = 44)

Complete

13

29.5

9.03

Partial

07

15.9

4.86

Transitional

01

2.27

0.69

Intermediate

01

2.27

0.69

Surgical close

05

11.36

3.5

Complex septal defect (AVSD with other CHD)

17

38.6

11.8

  1. ASD Atrial septal defect, VSD Ventricular septal defect, AVSD Atrioventricular septal defect, ASD II Secundum ASD, ASD IV Coronary sinus septal defect and PFO Patent foreman ovale