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. Author manuscript; available in PMC: 2015 Feb 4.
Published in final edited form as: Surgery. 2014 Mar 15;156(2):385–393. doi: 10.1016/j.surg.2014.03.006

Table III.

Median and 90th percentile of cases performed by graduating chief residents in the role of teaching assistant, 2003–2012

Year
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
50th percentile
 Liver 0 0 0 0 0 0 0 0 0 0
 Pancreas 0 0 0 0 0 0 0 0 0 0
 Biliary* 3 4 3 3 3 3 3 4 4 4
90th percentile
 Liver 0 0 0 0 0 0 0 0 0 0
 Pancreas 0 0 1 0 0 1 2 1 0 1
 Biliary* 14 12 11 11 11 19 19 12 13 15
*

Includes laparoscopic and open cholecystectomy.