Table 4 Correlation between clinical characteristics and pathogens identified in neonatal gastric fluid

GA (weeks)

29.80 ± 1.62

28.35 ± 1.40

< 0.001

27.84 ± 1.73

0.002

29.22 ± 1.02

n.s

BW (kg)

1.22 ± 0.28

1.10 ± 0.25

n.s

1.09 ± 0.24

n.s

1.30 ± 0.24

n.s

Gender

Female

30

13

n.s

2

n.s

7

n.s

Male

44

13

n.s

5

n.s

7

n.s

Surfactant (any dose) n (%)

44 (59.5% )

22 (84.6%)

0.029

6 (85.7%)

n.s

7 (50.0%)

n.s

1-min Apgar score

7.85 ± 1.24

6.96 ± 2.18

0.01

7.57 ± 1.27

n.s

7.78 ± 1.18

n.s

5-min Apgar score

8.94 ± 0.87

8.50 ± 1.44

n.s

9.28 ± 0.48

n.s

8.92 ± 1.26

n.s

Natural delivery, n (%)

34 (45.9%)

15 (57.7%)

n.s

5 (71.4%)

n.s

10 (71.4%)

n.s

Time of PROM (d)

2.65 ± 8.27

1.24 ± 1.82

n.s

13.07 ± 21.23

0.002

1.07 ± 2.89

n.s

Chorioamnionitis, n (%)

15 (20.3)

8 (30.8)

n.s

4 (57.1)

0.028

1 (7.1)

n.s

Antenatal steroids, n (%)

57 (77.0)

23 (88.5)

n.s

6 (85.7)

n.s

11 (78.6)

n.s

Postnatal steroids, n (%)

5 (6.8)

0 (0)

n.s

2 (28.6)

0.05

1 (7.1)

n.s

SGA, n (%)

10 (13.5)

1 (3.8)

n.s

0 (0)

n.s

0 (0)

n.s

Tracheal intubation n (%)

34 (45.9%)

15 (57.7%)

n.s

6 (85.7%)

0.044

8 (57.1%)

n.s

Invasive mechanical ventilation time (h)

88.28 ± 148.81

104.79 ± 172.14

n.s

309.00 ± 193.14

0.02

128.00 ± 178.24

n.s