Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Gastrointest Endosc. Apr 16, 2022; 14(4): 215-225
Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.215
Table 3 Comparison of outcomes of endoscopic retrograde cholangiopancreatography between patients with a performance status score of 0-2 and performance status 3-4
All patients
P valuePropensity score-matched patients
P value
Patients with a PS 0-2 (n = 1113)
Patients with a PS 3 or 4 (n = 230)
Patients with a PS 0-2 (n = 196)
Patients with a PS 3 or 4 (n = 196)
Therapeutic success, n (%)1096 (98.5) 224 (97.4) 0.26191 (97.4) 191 (97.4) 1.0
Successful complete stone removal (%)1064 (95.6) 200 (87.0) < 0.001181 (92.3) 172 (87.8) 0.18
Permanent biliary stent placement (%)32 (2.9) 24 (10.4) < 0.00110 (5.1) 19 (9.7) 0.12
Mean procedure time, min (SD)27.5 (15.7)26.5 (15.9)0.4226.9 (15.7)27.3 (16.6)0.77