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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 4 Outcomes by endoscopic retrograde cholangiopancreatography timing
Unweighted (n = 67738)
30-day readmission1 [% (SE)]
No ERCP as the reference group [odds ratio (95%CI)]
P value
Urgent ERCP as the reference group
P value
ERCP
None (n = 1487)19.9 (1.11)Reference
Urgent ERCP (n = 5833)17.9 (0.54)0.85 (072-0.99)0.046Reference
Early ERCP (n = 16645)21.3 (0.35)0.91 (0.78-1.06)0.241.08 (0.99-1.18)0.079
Late ERCP (n = 7380)25.2 (0.54)1.08 (0.92-1.26)0.361.28 (1.15-1.41)< 0.001
Unweighted (n = 7004)30-day mortality1
ERCP
None (n = 302)2.93 (0.96)Reference
Urgent ERCP (n = 1118)3.76 (0.58)1.24 (0.58-2.65)0.58Reference
Early ERCP (n = 3586)5.36 (0.36)1.76 (0.85-3.59)0.121.43 (0.99-2.05)0.055
Late ERCP (n = 1896)5.95 (0.54)1.79 (0.87-3.69)0121.46 (0.97-2.15)0.066
Length of stay1 [mean (SE)]β (95%CI)β (95%CI)
ERCP
None (n = 1487)5.81 (0.14)Reference
Urgent ERCP (n = 5833)2.98 (0.043)-2.70 (-2.98 to -2.42)< 0.001Reference
Early ERCP (n = 16645)4.20 (0.029)-1.61 (-1.89 to -1.33)< 0.0011.12 (1.02-1.23)< 0.001
Late ERCP (n = 7380)8.17 (0.073)1.82 (1.52-2.14)< 0.0014.58 (4.42-4.73)< 0.001
Inflation-adjusted total cost2 [mean (SE)]β (95%CI)β (95%CI)
ERCP
None (n = 1487)20011.85 (446.7)Reference
Urgent ERCP (n = 5833)14024.95 (137.8)-5433.6 (-6316.1 to -4551.0)< 0.001Reference
Early ERCP (n = 16645)15164.99 (86.6)-4826.5 (-5700.7 to -3952.2)< 0.001599.3 (263.8-934.7)< 0.001
Late ERCP (n = 7380)23509.59 (231.7)1951.6 (972.5-2930.7)< 0.0017391.9 (6902.2-7881.7)< 0.001


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