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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