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Table 2 Changes of operation time, used pack cell during operation, and post-hospitalization days during the time spent

From: Whipple procedure: a review of a 7-year clinical experience in a referral center for hepatobiliary and pancreas diseases

Date Mean (hours) ± SD operation time average Used pack cell during operation Post-op time hospitalization average mean (day) ± SD
2008 4.9 ± 0.06 3 17 ± 0.7
2009 5.7 ± 1.12 6 17 ± 5.7
2010 5.0 ± 0.51 4 8 ± 6.4
2011 4.2 ± 0.53 2 10 ± 5.7
2012 5.0 ± 0.78 3 17 ± 13
2013 4.5 ± 0.33 2 15 ± 6.9
2014 5.2 ± 1.02 1 11 ± 5.2