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Table 2 Crude and adjusted odds ratio (OR) and 95% confidence intervals (95% CI) for nevborns with and without symptoms of LO-BSI (late onset bloodstream infections), who survived to the third day and/or later (2009–2011)

From: Late-onset bloodstream infections of Very-Low-Birth-Weight infants: data from the Polish Neonatology Surveillance Network in 2009–2011

  Infant’s LO-BSI (-) [N = 816] Infant’s LO-BSI (+) [N = 427]
Characteristics of patients crude OR 95% CI adjusted* OR 95% CI
Gestational age <28 week 3.9 2.99-5.13 71.808 71.57-72.05
Birth weight < 750 grams 2.362 1.60-3.48 3.732 3.45-4.01
Chorioamnionitis 1.404 0.80-2.45 1.185 0.96-1.42
PROM 1.079 0.78-1.48 3.343 2.97-3.72
CVC 1.293 0.93-1.79 2.886 2.49-3.27
PVC 2.803 2.06-3.81 1.523 1.14-1.91
Mechanical ventilation 2.645 1.97-3.56 12.642 12.31-12.98
CPAP 2.514 1.83-3.44 2.927 2.62-3.24
Total parenteral nutrition 1.813 1.25-2.64 2.912 2.72-3.11
Surgical procedures 1.882 1.28-2.77 2.912 2.72-3.11
  1. Adjusted for birth weight; gestational age; surgery in infancy; Clinical Risk Index for Babies, CRIB; score, Apgar 1- and 5-minute scores.
  2. PROM, premature rupture of membranes, CVC, central venous catheter; PVC, peripheral intravenous catheter; CPAP continuous nasal positive airway pressure.