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Table 5 Mortality due to sepsis and blood culture results

From: Sepsis related mortality of extremely low gestational age newborns after the introduction of colonization screening for multi-drug resistant organisms

Exposure N exposed Mortality due to sepsis [%] Odds ratio* (95% CI) p*
Gestational age [OR per additional week] 12.823 2.2 0.7 (0.66–0.75) < 0.001
Discharge 2014–2018 8.903 2.1 0.9 (0.73–1.23) 0.69
Female sex 5.950 1.8 0.7 (0.58–0.95) 0.02
Multiple birth 3.979 2.0 0.9 (0.70–1.22) 0.59
SGA 1.753 4.1 2.0 (1.49–2.58) < 0.001
All blood cultures negative* 10.893 1.5 Ref.  
Staph. epidermidis 745 2.4 1.2 (0.7–2.0) 0.74
Staph. haemolyticus 196 5.1 2.6 (1.3–5.0) 0.005
E coli 169 11.2 7.3 (4.3–12) < 0.001
Staph. aureus 150 4.0 2.3 (1.00–5.3) 0.053
Staph. capitis 105 0  
Enterococci, no VRE 97 8.2 4.2 (2.0–9.0) < 0.001
Enterobacter spp. 94 6.4 3.4 (1.4–7.9) 0.005
Group B Strep. 86 9.3 5.5 (2.6–12) < 0.001
Klebsiella, no MDRO 75 10.7 5.6 (2.6–12) < 0.001
Candida spp 45 26.7 16 (7.9–32) < 0.001
E. coli ESBL 32 12.5 6.7 (2.3–20) 0.001
Staph. hominis 28 7.1 4.0 (0.9–17) 0.06
Enterococci, VRE 20 5.0 2.8 (0.4–21) 0.33
Serratia 17 5.9 2.9 (0.4–23) 0.30
Klebsiella ESBL 16 0  
MRSA 16 6.3 3.7 (0.5–28) 0.21
Pseudomonas 14 57.1 59 (19–180) < 0.001
Other streptococci 12 0  
Listeria 8 12.5 11 (1.3–92) 0.04
Pneumococci 3 0  
Proteus 1 0  
Bacteroides 1 0  
  1. *Logistic regression, result of last positive blood culture before death or discharge was entered as category variable with all blood-culture negative infants as reference