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Table 1 Clinical characteristics of the study population
| 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 |
