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 | Â | Â | Â | Â | Â | Â | Â |
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 |