Table 1 Neonatal and Maternal Characteristics

Maternal Age (mean, years)

29.7 ± 6.4

27.4 ± 6

0.083

Gestational Age (mean, weeks)

32.1 ± 6.3

27.5 ± 4.6

< 0.001

< 28 weeks

35 (37.2%)

23 (71.9%)

< 0.001

28–32 weeks

8 (8.5%)

4 (12.5%)

> 32 weeks

51 (54.3%)

5 (15.6%)

Birth Weight (mean, grams)

1166

745

0.006

< 1000 g

34 (36.2%)

23 (71.9%)

0.001

1000 – 2500 g

20 (21.3%)

5 (15.6%)

> 2500 g

40 (42.6%)

4 (12.5%)

Age on Admission (mean, days)

11.8

28.3

0.013

Duration of Mechanical Ventilation (mean, days)

19.4

114.78

< 0.001

Length of NICU stay (mean, days)

77.5

166.5

< 0.001

Prenatal Steroids (%)

36

50

0.210

Prenatal Antibiotics (%)

24

34

0.275

Hispanic (%)

36

28

0.407

Female (%)

46

44

0.845

SGA (%)

11

31

0.006

Intubation in Delivery Room (%)

50

66

0.126

Surfactant (%)

54

81

0.007

RDS (%)

44

75

0.002

Caffeine (%)

45

81

< 0.001

Early Onset Sepsis (%)

1

0

0.558

Late Onset Sepsis (%)

12

9

0.717

Retinopathy of Prematurity (%)

37

75

< 0.001

Patent Ductus Arteriosus (%)

56

78

0.012

Bronchopulmonary Dysplasia (%)

31

78

< 0.001

BPD-Pulmonary Hypertension (%)

4

28

< 0.001

Intraventricular Hemorrhage (%)

29

34

0.547

Necrotizing Enterocolitis (%)

3

38

0.060

Death (%)

16

13

0.779