Retrospective Cohort Study
Copyright ©The Author(s) 2025.
World J Methodol. Dec 20, 2025; 15(4): 105053
Published online Dec 20, 2025. doi: 10.5662/wjm.v15.i4.105053
Table 1 Characteristics of patients undergoing endoscopic retrograde cholangiopancreatography in hospital, n (%)
Variable

Total study population433245
Female248856 (57.44)
Mean age in years59.9
Insurance provider
Medicare209257 (48.30)
Medicaid66200 (15.28)
Private134912 (31.14)
Uninsured22876 (5.28)
Charlson comorbidity index
0168749 (38.95)
189378 (20.63)
256148 (12.96)
3 or more118970 (27.46)
Median income in patient zip code
$1–$38999121611 (28.07)
$39000–$47999114680 (26.47)
$48000–$62999107401 (24.79)
$6300089553 (20.67)
Hospital region
Northwest74864 (17.28)
Midwest96180 (22.20)
South164806 (38.04)
West97395 (22.48)
Hospital location
Rural20276 (4.68)
Urban412969 (95.32)
Hospital size
Small67586 (15.60)
Medium119965 (27.69)
Large245694 (56.71)
Teaching hospital311243 (71.84)
Race
White290187 (66.98)
Black41071 (9.48)
Hispanic67759 (15.64)
Asian or Pacific Islander16203 (3.74)
Native American3555 (0.82)
Other14470 (3.34)
Weekend admission102235 (23.60)

  • Citation: Bangolo AI, Donepudi RC, Nagesh VK, Sandrugu J, Kianifar Aguilar I, Sarraf R, Suliman S, Wadhwani N, Espinoza CEA, Tran HHV, Levy C, Alqinai B, Rambaransingh A, Adibeig M, Ghosal A, Siddiqui G, Bhandari N, Kotnani S, Akrama AA, Thota A, Gill H, Aziz R, Lee CH, Abbisetty SD, Bhangu S, Randhawa K, Habib Z, Khan SA, Lee CYF, Sanoh M, Jacobson K, Lo A, Weissman S. Impact of atrial fibrillation in hospitalized patients undergoing endoscopic retrograde cholangiopancreatography: A nationwide analysis. World J Methodol 2025; 15(4): 105053
  • URL: https://www.wjgnet.com/2222-0682/full/v15/i4/105053.htm
  • DOI: https://dx.doi.org/10.5662/wjm.v15.i4.105053