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Table 1 Clinical characteristics of the study population

From: Prophylaxis of post-ERC infectious complications in patients with biliary obstruction by adding antimicrobial agents into ERC contrast media- a single center retrospective study

Patient characteristics Intraductal antibiotic prophylaxis No antibiotic prophylaxis p
Mean age 51.8 ± 16.4 52.4 ± 16.2 0.26
Male (n; %) 30 (71) 30 (71)  
Etiology of biliary obstruction (n; %)
 • Sclerosing cholangitis 32 (76) 32 (76)  
 • Malignant stricture 4 (10) 4 (10)
 • Choledocholithiasis 2 (5) 2 (5)
 • Benign stricture 1 (2) 1 (2)
 • Cholangitis 3 (7) 3 (7)
Immunosuppressive medication (n; %) 11 (26) 14 (33) 0.49
Hospitalization (d) 13.9 ± 21.1 13.3 ± 16.6 0.47
Cholangitis at ERC (n; %) 27 (64) 23 (55) 0.37
Non-biliary infection (n; %) 16 (38) 13 (31) 0.49
  1. Patients were matched in respect to age, sex and indication for ERC