Retrospective Cohort Study
Copyright ©The Author(s) 2019.
World J Gastrointest Endosc. Feb 16, 2019; 11(2): 133-144
Published online Feb 16, 2019. doi: 10.4253/wjge.v11.i2.133
Table 3 Use of endoscopic retrograde cholangiopancreatography over time using Cochran Armitage trend n (%)
TotalERCPP value
Year of diagnosis< 0.01
2000-2003103884955 (47.73)
2004-2007111344949 (44.45)
2008-2011109884800 (43.68)
Total3251014704 (45.2)