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Table 1 The characteristics of infants with and without symptoms of LO-BSI, who survived to the third day and/or later

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] Statistically significant P-value
Characteristics of patients average; 95% CI
Gestational age [weeks] 29 (28; 29) 27 (27; 28) <0.001
Gestational age infants who required surgery [weeks] 26 (26; 27) 25 (28; 29) 0.002
Gestational age infants who did not required surgery [week] 29 (29; 29) 28 (27; 28) <0.001
Birth weight [grams] 1 114 (1 087; 1 141) 947 (920; 974) <0.001
CVC [days] 15 (14; 16) 31 (27; 34) <0.001
PVC [days] 9 (8; 10) 18 (16; 21) <0.001
Mechanical ventilation [days] 12 (10; 13) 26 (22; 30) <0.001
CPAP [days] 9 (8; 9) 16 (14; 17) <0.001
Total parenteral nutrition [days] 13 (12; 14) 29 (27; 32) <0.001
surgery in infancy*[No./%] 87 10.7 77 18.0 <0.001
Completion of the surveillance
Death of the patient [No./%] 67 8.2 32 7.5 0.4
Transfer [No./%] 101 12.4 48 11.2 0.2
Body weight gain [No./%] 646 79.2 345 80.8 0.9
  1. * up to 30 days after surgery; CI – confidence interval; LO-BSI, Late-Onset Bloodstream Infections; PROM, premature rupture of membranes; CVC, central venous catheter; PVC, peripheral intravenous catheter; CPAP, continuous nasal positive airway pressure.