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Table 1 Demographic characteristics of patients with liver abscess

From: Prognosis of liver abscess with no identified organism

  CNLA (n = 156) CPLA (n = 246) Causative organisms P value
E.coli (n = 74) K.pneumoniae (n = 133) P value* Other (n = 39)
Age, years, median (IQR) 61 (12) 66 (8) 66.5 (14.3) 66 (18) 0.95 66 (7) 0.02
Sex, male, n(%) 113 (72.4%) 156 (63.4%) 49 (66.2%) 79 (59.4%) 0.33 28 (71.8%) 0.06
Comorbidity
 Diabetes mellitus 35 (22.4%) 74 (30.1%) 24 (33.8%) 35 (26.3%) 0.26 14 (35.9%) 0.12
 Hypertension 63 (40.4%) 89 (36.2%) 26 (35.1%) 48 (36.1%) 0.89 15 (38.5%) 0.39
 Cholelithiasis and biliary tract disease 6 (3.8%) 35 (14.2%) 18 (24.3%) 11 (8.3%) 0.001 6 (15.4%) 0.001
 Liver disease 12 (7.7%) 33 (13.4%) 18 (24.3%) 10 (7.5%) 0.001 5 (12.8%) 0.07
Chronic kidney disease 3 (1.9%) 5 (2.0%) 1 (1.4%) 3 (2.3%) 0.65 1 (2.6%) 0.94
Malignancy 24 (15.4%) 54 (22.0%) 27 (36.5%) 11 (8.3%) 0.0001 16 (41.0%) 0.10
Transplant 2 (1.3%) 2 (0.8%) 1 (1.4%) 1 (0.8%) 0.67 0 (0%) 0.64
Presentation as a sepsis 5 (3.2%) 7 (2.8%) 1 (1.4%) 6 (4.5%) 0.23 0 (0%) 0.84
ICU admission 22 (14.1%) 36 (14.6%) 11 (14.9%) 20 (15.0%) 0.97 5 (12.8%) 0.88
Bacteremia 99 (40.2%) 21 (28.4%) 56 (42.1%) 0.05 22 (56.4%)
ESBL production   23 (31.1%) 3 (2.3%) 0.0001   
  1. *P value was calculated on two groups of E.coli liver abscess and K.pneumoniae liver abscess