Table 4 Mortality risk in groups of Critical Congenital Heart Defects with multivariable logistic regression

Region

 West vs. East

0.83

0.74–0.93

0.001

0.52

0.45–0.60

< 0.001

 South vs. East

0.89

0.77–1.03

0.129

0.75

0.63–0.89

0.001

 Central vs. East

1.01

0.89–1.15

0.902

0.69

0.59–0.81

< 0.001

 North vs. East

0.66

0.53–0.83

< 0.001

0.74

0.58–0.94

0.012

Gender

 Female vs. Male

0.92

0.84-1.00

0.055

1.04

0.93–1.15

0.509

Gestational age

 < 37 vs. ≥ 37 weeks

1.68

1.52–1.87

< 0.001

1.94

1.72–2.18

< 0.001

Birth weight by gestational age

 SGA vs. LGA

1.35

1.07–1.69

0.010

1.85

1.45–2.37

< 0.001

 AGA vs. LGA

1.02

0.82–1.26

0.867

1.06

0.84–1.34

0.636

Number of fetuses in pregnancy

 Singular vs. Twin/triplet

1.12

0.92–1.37

0.266

1.23

0.97–1.57

0.091

Maternal age at birth

 < 20 vs. ≥ 35 years

1.33

1.07–1.65

0.010

0.84

0.63–1.10

0.207

 20–34 vs. ≥ 35 years

1.18

1.05–1.32

0.004

0.80

0.72–0.90

< 0.001

Mode of delivery

 Normal vs. Cesarean delivery

1.00

0.91–1.10

0.966

1.06

0.94–1.19

0.325