Clinical Study
Use of 4-Fr versus 6-Fr Nasobiliary Catheter for Biliary Drainage: A Prospective, Multicenter, Randomized, Controlled Study
Table 1
Baseline characteristics and ERCP procedures.
| | | 4Fr group | 6Fr group | value | | () | () |
| | Age (y), mean (SD) | 70.4 (12.6) | 71.5 (11.6) | 0.51 | | Sex | | | | | Male, (%) | 64 (53.4) | 77 (60.6) | 0.33 | | Female, (%) | 55 (46.6) | 50 (39.4) | | Body mass index (kg/m2), mean (SD) | 22.4 (4.3) | 22.6 (3.5) | 0.31 | | Indication (overlapping) | | | | | Obstructive jaundice, (%) | 74 (62.2) | 84 (66.1) | 0.51 | | Acute cholangitis, (%) | 32 (26.9) | 42 (33.1) | 0.29 | | Extrahepatic cholestasis, (%) | 87 (73.1) | 94 (74.0) | 0.98 | | Diagnosis | | | | | Choledocholithiasis, (%) | 39 (32.8) | 38 (30.0) | 0.63 | | Pancreatic cancer, (%) | 30 (25.2) | 33 (26.0) | 0.89 | | Cholangiocarcinoma, (%) | 21 (17.6) | 22 (17.3) | 0.95 | | Carcinoma of the papilla of Vater, (%) | 7 (5.9) | 5 (3.9) | 0.68 | | Gallbladder cancer, (%) | 5 (4.2) | 5 (3.9) | 0.83 | | Chronic pancreatitis, (%) | 2 (1.7) | 0 (0) | | | Others, (%) | 15 (12.6) | 24 (18.9) | 0.18 | | ERCP procedures | | | | | Pancreatic duct injection, (%) | 67 (61.0) | 75 (55.4) | 0.66 | | Brushing of pancreatic duct, (%) | 2 (1.7) | 2 (1.6) | 0.66 | | Endoscopic pancreatic stent, (%) | 2 (1.7) | 3 (2.3) | 0.94 | | Endoscopic nasopancreatic drainage, (%) | 2 (1.7) | 6 (4.7) | 0.32 | | Biliary intraductal ultrasonography, (%) | 40 (33.6) | 40 (31.5) | 0.82 | | Brushing of bile duct, (%) | 26 (21.8) | 29 (22.8) | 0.85 | | Biopsy of bile duct, (%) | 3 (2.5) | 2 (1.6) | 0.94 | | Procedure time (min), mean (SD) | 30.6 (14.6) | 29.4 (14.1) | 0.50 |
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ERCP, endoscopic retrograde cholangiopancreatography; SD, standard deviation.
value not significant for all comparisons.
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