Association Between Endoscopist and Center Endoscopic Retrograde Cholangiopancreatography Volume With Procedure Success and Adverse Outcomes: A Systematic Review and Meta-analysis  Rajesh N. Keswani, Bashar J. Qumseya, Linda C. O’Dwyer, Sachin Wani  Clinical Gastroenterology and Hepatology  Volume 15, Issue 12, Pages 1866-1875.e3 (December 2017) DOI: 10.1016/j.cgh.2017.06.002 Copyright © 2017 AGA Institute Terms and Conditions

Figure 1 ERCP success rate by endoscopist volume. (A) Forrest plots of the pooled odds ratio of success in the 4 included studies; and (B) funnel plot of standard error by log odds ratio to assess for publication bias. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions

Figure 2 ERCP success rate by center volume. (A) Forrest plots of the pooled odds ratio of success in the 3 studies; and (B) funnel plot of standard error by log odds ratio to assess for publication bias. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions

Figure 3 Adverse outcomes after ERCP. (A) Forrest plot of the pooled odds ratio of overall adverse outcomes in the 5 studies based on endoscopist volume. (B) Funnel plot of standard error by log odds ratio to assess for publication bias. (C) Forrest plot of the pooled odds ratio of overall adverse outcomes based on center volume. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions

Supplementary Figure 1 Preferred reporting items for systematic reviews and meta-analyses diagram. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions

Appendix 1 Forrest plots of the pooled odds ratio of post-ERCP pancreatitis in HV vs LV endoscopists. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions

Appendix 2 Forrest plots of the pooled odds ratio of post-ERCP pancreatitis in HV vs LV centers. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions

Appendix 3 Forrest plot of the pooled odds ratio of mortality in HV vs LV centers. Clinical Gastroenterology and Hepatology 2017 15, 1866-1875.e3DOI: (10.1016/j.cgh.2017.06.002) Copyright © 2017 AGA Institute Terms and Conditions