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Table 2 Correlation of pathogens identified in maternal cervicovaginal swabs with neonatal clinical characteristics

From: Ureaplasma in neonatal gastric fluid contributing to bronchopulmonary dysplasia

 

Group 1

Group 2

P value

Group 3

P value

Group 4

P value

 

U-/O-, n = 40

U+/O-, n = 29

 

U+/O+, n = 24

 

U-/O+, n = 28

 

GA (weeks)

29.89 ± 1.54

28.67 ± 1.51

0.002

29.20 ± 1.75

n.s

29.14 ± 1.64

n.s

BW (kg)

1.24 ± 0.25

1.16 ± 0.31

n.s

1.13 ± 0.26

n.s

1.22 ± 0.26

n.s

Gender

       

Female

16

13

n.s

11

n.s

12

n.s

Male

24

16

n.s

13

n.s

16

n.s

Surfactant (any dose)

20 (50.0%)

16 (55.2%)

n.s

15 (62.5%)

n.s

16 (57.1%)

n.s

1-min Apgar score

7.97 ± 0.97

7.58 ± 1.80

n.s

7.29 ± 1.89

n.s

7.57 ± 1.42

n.s

5-min Apgar score

9.05 ± 0.50

8.75 ± 1.02

n.s

8.89 ± 0.95

n.s

8.9 ± 1.00

n.s

Natural delivery, n (%)

21 (52.5%)

17 (58.6%)

n.s

19 (79.1%)

n.s

19 (67.8%)

n.s

Time of PROM (d)

2.56 ± 6.89

0.90 ± 1.68

n.s

4.90 ± 12.58

n.s

3.17 ± 10.45

n.s

Chorioamnionitis, n (%)

5 (12.5)

7 (24.1)

n.s

8 (33.3)

0.045

9 (32.1)

0.049

Antenatal steroids, n (%)

26 (65.0)

23 (79.3)

n.s

18 (75.0)

n.s

24 (85.7)

n.s

Postnatal steroids, n (%)

3 (7.5)

0 (0)

n.s

3 (12.5)

n.s

1 (3.6)

n.s

SGA, n (%)

12 (30.0)

2 (6.9)

0.018

0 (0)

0.003

3 (10.7)

n.s

Tracheal intubation n (%)

12 (30.0%)

18 (62.1%)

0.013

14 (58.3%)

0.036

18 (64.3%)

0.007

Invasive mechanical ventilation time (h)

193.74 ± 371.04

115.04 ± 162.44

n.s

162.05 ± 205.69

n.s

107.72 ± 155.15

n.s

  1. BW: birth weight; GA: gestational age; Group 1: negative microorganism testing; Group 2: only Ureaplasma spp. identified; Group 3: positive testing for Ureaplasma spp. along with other microorganisms; Group 4: other microbes identified; O: other pathogens except for Ureaplasma spp.; PROM: premature rupture of membranes; SGA: small for gestational age; U: Ureaplasma spp
  2. n.s: non-significant
  3. P values applied to comparison with Group 1, respectively