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Table 4 Risk factors for spontaneous bacterial peritonitis (SBP) due to extended-spectrum β-lactamase-producing Escherichia coli and Klebsiella species (ESBL-EK)

From: Clinical outcomes of spontaneous bacterial peritonitis due to extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiellaspecies: A retrospective matched case-control study

Risk factors SBP due to OR (95% CI)
  ESBL-EK (n = 26) Non-ESBL-EK (n = 78)  
Hospital stay before onset of SBP 23.3 ± 24.8 1.6 ± 5.0 -
   (mean in days, SD)    
   ≥ 2 weeks (n, %) 13 (50%) 3 (4%) 35.11 (4.57 to 269.72)
Presence of hepatocellular carcinoma (n, %) 9 (35%) 21 (27%) 1.46 (0.55 to 3.94)
Presentation with septic shock (n, %) 11 (42%) 22 (28%) 2.21 (0.78 to 6.31)
Presence of bacteremia (n, %) 5 (19%) 13 (17%) 1.16 (0.41 to 3.33)
ICU care (n, %) 5 (19%) 7 (9%) 2.53 (0.70 to 9.12)
Previous history of SBP (n, %) 19 (73%) 23 (30%) 12.91 (2.88 to 57.76)
Prior use of antibiotics within 30 days (n, %) 21 (81%) 13 (17%) 15.13 (4.44 to 51.52)
  1. SD – standard deviation
  2. OR – odds ratio
  3. CI – confidence interval
  4. All the patients with a history of use of antibiotics had received 3rd generation cephalosporins within 30 days before the onset of SBP.