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Table 1 Summary of study population

From: Evaluation of a real-time PCR assay for detection and quantification of bacterial DNA directly in blood of preterm neonates with suspected late-onset sepsis

Characteristics Data
Characteristics of neonatesa (N = 77)  
 Sex, male 39 (51)
 Gestational age, weeks 28.1 (26.5–29.5)
 Birth weight, g 1080 (775–1235)
 Duration of hospitalization, days 33 (20–53)
 Outcome, died 8 (10)
Clinical characteristics of included episodes (N = 91)  
 Age at onset of symptoms, days 10 (7–15)
 Weight at onset of symptoms, g 1087 (870–1310)b
 CRP (mg/L) 12 (2.4–34)c
 White blood cell count (×109/L) 13.2 (7.7–20.6)c
 Blood culture positive 60 (66)
  CoNS 47
  Staphylococcus aureus 11
  Streptococcus agalactiae 1
  Enterococcus faecalis 1
  Escherichia coli 2
  Klebsiella spp. 1
  Lactobacillus spp. 1
Cerebrospinal fluid, obtained/positive 51/5 (6)
Polymicrobial infection 7 (8)
Duration of antibiotic treatment, days 7 (3–11)
Diagnosis
 Culture-proven sepsis 57 (63)
 Clinical sepsis 4 (4)
 Localized infection 9 (10)
 No infection 21 (23)
Blood culture TTP 14 (11–19)
  1. Abbreviations: CoNS Coagulase-negative staphylococci, CRP C-reactive protein, TTP Time to positivity
  2. aContinuous variables are presented as median (25–75% interquartile range). Categorical variables are presented as number (percent)
  3. bData missing for two infection episodes
  4. cData missing for one infection episode