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Table 4 Univariate and multivariate analyses of maternal, obstetrical, postnatal and anthropometric characteristics and conditions for discharge and death outcome of newborns with 5 minute Apgar Score < 7

From: Factors associated with 5-min APGAR score, death and survival in neonatal intensive care: a case-control study

Characteristic

N

OR1

95% CI1

p-value1

N

OR2

95% CI2

p-value2

Obstetrical conditions

Number of deliveries

76

0.68

0.44, 1.00

0.051#

60

0.65

0.37, 1.17

0.154

Number of abortion

76

2.52

1.12, 7.31

0.024#

60

3.21

0.78, 13.11

0.104

Gestation time (continuous)

77

0.87

0.78, 0.95

0.002#␥

    

Gestation time in weeks (reference < 28)

77

  

0.031*

    

  28–31

 

0.71

0.13, 3.99

     

  32–36

 

0.20

0.05, 0.75

     

  37–41

 

0.12

0.03, 0.05

     

   ≥ 42

 

0.27

0.01, 5.27

     

Number of prenatal care

75

0.81

0.65, 0.99

0.037#

60

0.97

0.69, 1.36

0.863

Bleeding

73

5.65

0.90, 110

0.067#

60

1.28

0.00, 0.00

0.999

Preeclampsiaa

73

  

0.027#

60

0.00

0.00, 0.00

0.999

Obstetrical conditions

Type of delivery (Vaginal)

78

2.52

0.99, 6.67

0.053#

60

0.65

0.13, 3.13

0.597

Birth injury

73

3.99

1.50, 11.4

0.005#

60

1.62

0.35, 7.35

0.532

Postnatal conditions

Surfactant

77

2.70

1.08, 6.96

0.033#

60

3.07

0.72, 13.4

0.129

IMV

77

2.65

1.05, 6.88

0.038#

60

1.32

0.29, 5.94

0.716

CPAPa

77

  

0.002#

60

0.00

0.00, 0.00

0.999

Anthropometric characteristics

Weight (g)

77

1.00

1.00, 1.00

< 0.001#␥

    

Height (cm)

78

0.88

0.81, 0.95

< 0.001#

60

9.961

0.84, 1.09

0.530

Cephalic (cm)

78

0.80

0.70, 0.90

< 0.001#

60

0.89

0.71, 1.11

0.319

Thoracic (cm)

78

0.80

0.70, 0.90

< 0.001#␥

    

Abdominal (cm)

74

0.80

0.70, 0.89

< 0.001#␥

    
  1. IMV invasive mechanical ventilation, CPAP continuous positive airway pressure
  2. 1OR Odds Ratio, CI Confidence Interval
  3. 2aOR Adjusted Odds Ratio, CI Confidence Interval
  4. #p-value < 0.25
  5. *p-value ≤0.05
  6. Excluded due multicollinearity analysis
  7. IC95% significant
  8. aOR and aOR value not estimated due to the presence of 0 in one of the categories