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Table 1 Patient demographics

From: Dynamics of the bacterial gut microbiota in preterm and term infants after intravenous amoxicillin/ceftazidime treatment

  ControlSTLT
Infantsn282213
 Gestational age (weeks)34.8 ± 1.434.2 ± 2.237.2 ± 3.1
 Birthweight (gram)2309 ± 4562406 ± 5883111 ± 863
 Vaginal birth13 (46.4%)15 (68.2%)6 (46.2%)
 Male13 (46.4%)13 (59.1%)8 (61.5%)
 Preterm24 (85.7%)19 (86.4%)7 (53.8%)
 Twin11 (39.3%)5 (22.7%)2 (15.4%)
 AB treatment (days)02.2 ± 0.57.5 ± 2.2
 CPAP5 (17.9%)10 (45.5%)0 (0%)
 Food intolerant0 (0%)0 (0%)1 (7.7%)
 TPN2 (7.1%)0 (0%)1 (7.7%)
 Days until FEF7.0 ± 1.07.2 ± 1.37.6 ± 0.9
 HM > 50% throughout 6 PNW19 (67.9%)15 (68.2%)7 (53.8%)
 % HM throughout 6 PNW68 ± 2771 ± 3463 ± 32
 Cause of infection:   
Proven sepsis  3 (23.1%)
Clinical sepsis  6 (46.2%)
Pneumonia  3 (23.1%)
Meningitis  1 (7.7%)
 Causative pathogen:   
Group B Streptococcus  4 (30.8%)
Escherichia coli  1 (7.7%)
Unknown  8 (61.5%)
MothersPreeclampsia5 (17.9%)3 (13.6%)2 (15.4%)
 PROM5 (17.9%)5 (22.7%)6 (46.2%)
 AB around birth19 (67.9%)15 (68.2%)9 (69.2%)
 AB > 48 h after birth2 (7.1%)3 (13.6%)4 (30.8%)
  1. Abbreviations: AB: antibiotics, CPAP: continuous positive airway pressure, TPN: total parenteral nutrition, FEF: full enteral feeding, HM: human milk, PNW: postnatal week, PROM: prolonged rupture of membranes