BPG is committed to discovery and dissemination of knowledge
Retrospective Study
©The Author(s) 2026.
World J Gastrointest Endosc. Jan 16, 2026; 18(1): 110353
Published online Jan 16, 2026. doi: 10.4253/wjge.v18.i1.110353
Table 1 Demographics and clinical characteristics endoscopic retrograde cholangiopancreatography vs laparoscopic common bile duct exploration
Demographics (unweighted n = 31817)
Endoscopic retrograde cholangiopancreatography only (n = 30330, 95.3%)
Laparoscopic common bile duct exploration only (n = 1487, 4.67%)
P value1
Age, years (mean, SE)64.5 (0.097)59.7 (0.49)< 0.001
Sex, female (%, SE)51.5 (0.31)54.0 (1.39)0.028
Income quartile (%, 95%CI)0.24
125.6 (0.27)23.9 (1.20)
227.6 (0.28)26.7 (1.25)
325.8 (0.28)26.2 (1.28)
420.9 (0.24)23.0 (1.15)
Primary payer (%, SE)< 0.001
Medicare56.1 (0.31)48.1 (1.40)
Medicaid9.81 (0.18)12.5 (0.92)
Private28.9 (0.28)34.5 (1.34)
Self-pay2.41 (0.098)2.82 (0.47)
Other2.69 (0.10)2.17 (0.42)
Elective admission (%, SE)11.7 (0.21)19.6 (1.13)< 0.001
Weekend admission (%, SE)19.1 (0.25)18.8 (1.11)0.83
Hospital location (%, SE)< 0.001
Urban/non-teaching14.7 (0.048)16.3 (0.96)
Urban/teaching82.9 (0.052)79.5 (1.05)
Rural2.44 (0.024)4.19 (0.48)
Hospital bed size (%, SE)0.29
Small10.9 (0.04)11.7 (0.82)
Medium21.1 (0.06)22.3 (1.16)
Large68.0 (0.065)66.0 (1.29)
Charlson Comorbidity Index (mean, SE)3.35 (0.02)2.53 (0.086)< 0.001
Septic shock (%, SE)0.57 (0.044)0.95 (0.24)0.056
Severe sepsis (%, SE)0.46 (0.041)0.86 (0.28)0.054
SIRS with organ failure (%, SE)0.064 (0.014)0.052 (0.051)0.83
SIRS without organ failure (%, SE)0.91 (0.056)0.76 (0.22)0.54
Respiratory failure (%, SE)2.34 (0.094)3.34 (0.52)0.026
Kidney failure (%, SE)13.0 (0.20)12.2 (0.91)0.39
Thrombocytopenia (%, SE)3.89 (0.12)3.94 (0.53)0.92
Altered mental status (%, SE)0.19 (0.026)0.27 (0.12)0.41
Abnormal coagulation (%, SE)1.51 (0.079)0.83 (0.24)0.04
Bile duct perforation (%, SE)0.64 (0.05)1.55 (0.36)< 0.001
Post procedural bleeding (%, SE)0.36 (0.039)0.19 (0.11)0.28
Chronic pancreatitis (%, SE)5.58 (0.15)2.89 (0.50)< 0.001
Acute pancreatitis (%, SE)7.52 (0.16)3.12 (0.48)< 0.001
Abdominal pain (%, SE)3.48 (0.12)4.45 (0.58)0.069
Jaundice (%, SE)5.85 (0.14)3.75 (0.52)0.002
Cholelithiasis6.01 (0.15)18.1 (1.10)< 0.001
Choledocholithiasis (%, SE)1.89 (0.083)1.34 (0.31)0.15
Biliary obstruction (%, SE)85.1 (0.23)53.9 (1.40)< 0.001
Carcinoma of intrahepatic bile duct (%, SE)5.10 (0.14)3.59 (0.47)0.008
Malignant neoplasm of pancreas (%, SE)17.2 (0.23)7.45 (0.69)< 0.001
Inflation-adjusted total cost (mean, SE)16968.87 (80.2)20011.85 (446.7)< 0.001
Length of stay (mean, SE)4.89 (0.027)5.80 (0.14)< 0.001
In-hospital mortality (%, SE)222
30-day readmission (%, SE)25.6 (0.27)21.8 (1.15)0.002
30-day mortality (%, SE) (n = 5354)5.27 (0.26)2.93 (0.96)0.072


Write to the Help Desk