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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

From: Transient left ventricular systolic dysfunction following surgical closure of large patent ductus arteriosus among children and adolescents operated at the cardiac centre, Ethiopia

  Postoperative LVEF® (%) P - Value COR (95% CI) AOR(95% CI)
< 55 >/cpa55
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  
  1. Months, $ Z-score, # Intensive Care Unit, € Pulmonary Arterial Hypertension, ¥ Preoperative , £ Preoperative Fiber Shortening Percentage, ß Millimeters, ® Left Ventricular Ejection Fraction.