Table 1 Bivariate and multivariable logistic regression models of children who underwent surgical closure of patent ductus arteriosus at Addis Ababa University, Cardiac Centre Ethiopia

Age at diagnosis

- Less than 60 mo*

10(28.6)

10(28.6)

0.47

2.00(0.30-13.51)

-

- 60 mo -120 mo

3(8.6)

4(11.4)

0.72

1.50(0.16-14.42)

- More than 120 mo

2(6.4)

4(11.4)

1

1

Age at intervention

- Less than 60 mo

6(17.1)

6(17.1)

0.27

2.67(0.47-15.25)

-

- 60 mo -120 mo

6(17.1)

6(17.1)

0.27

2.67(0.47-15.25)

- More than 120 mo

3(8.6)

8(22.8)

1

1

Sex/Gender

- Male

5(14.3)

3(8.6)

0.21

2.83(0.56-14.47)

-

- Female

10(28.6)

17(48.6)

1

1

Weight for age

- < -2ZS^$

6(17.1)

10(28.6)

0.56

1.50(0.40-5.81)

-

- -2 to +2ZS

5(14.3)

10(28.6)

1

1

Height for age

- < -2ZS

9(25.7)

8(22.8)

0.30

2.06(0.52-8.18)

-

- -2 to +2ZS

6(17.1)

11(31.5)

1

1

Duct size

- <10 mmß

3(8.6)

8(22.8)

0.21

0.38(0.08-1.78)

-

- ≥10 mm

12(34.3)

12(34.3)

1

Preop LVED

- > +3ZS

11(35.5)

16(51.0)

0.64

1.46(0.30-7.09)

-

- < +3ZS

4(11.4)

4(11.4)

1

1

Preop FS (%)£

- 35 or less

7(20.0)

8(22.8)

0.69

1.31(0.34-5.08)

-

- More than 35

8(22.8)

12(34.3)

1

1

PAH^€

- Absent

6(17.1)

9(25.7)

0.78

1.22(0.32-4.77)

-

- Present

9(25.7)

11(31.5)

1

1

Preop¥ cardiac medication

- Yes

7(20.0)

3(8.6)

0.04

4.96(1.01-24.37)

2.89(0.51-16.64)

- No

8(22.8)

17(48.6)

1

1

1

Associated lesions

- Yes

9(25.7)

4(11.4)

0.02

6.00(1.33-27.05)

4.23(1.02-21.16)

- No

6(17.1)

16(45.7)

1

1

1

ICU# Stay

- Less than 2 days

7(22.6)

11(35.5)

0.41

0.55(0.13-2.31)

-

- More than 2 days

6(19.4)

7(22.6)

1

1

Residual shunt

- Yes

2(6.4)

2(6.4)

0.76

1.40(0.17-11.14)

-

- No

13(37.1)

18(51.4)

1

1