Table 1. Review of the literature on the relationship between outcome and volume in hepatobiliary surgery.
| Author (Ref.) | Year | Patients | Importance of hospital volume | Importance of surgeon volume |
|---|---|---|---|---|
| Begg CB, et al. (16) | 1998 | 801 | + | n/a |
| Choti MA, et al. (17) | 1998 | 606 | + | n/a |
| Glasgow RE, et al. (18) | 1999 | 507 | + | + |
| Gordon TA, et al. (19) | 1999 | 293 | + | + |
| Dimick JB, et al. (20) | 2003 | 2,097 | + | + |
| Imamura H, et al. (21) | 2003 | 1,056 | + | + |
| Fong Y, et al. (22) | 2005 | 3,734 | + | n/a |
| Hollenbeck BK, et al. (23) | 2007 | 3,630 | + | n/a |
| Eppsteiner RW, et al. (24) | 2008 | 2,949 | - | + |
| McKay A, et al. (25) | 2008 | 1,107 | + | + |
| Nathan H, et al. (26) | 2009 | 6,871 | + | - |
| Stella M. (27) | 2009 | n/a | - | n/a |
| Chamberlain RS, et al. (28) | 2011 | 84 | - | + |
| Giuliante F, et al. (29) | 2012 | 588 | + | n/a |
| Yasunaga H, et al. (30) | 2012 | 18,046 | + | n/a |
| Viganò L, et al. (31) | 2013 | 106 | + | n/a |
| Goetze TO, et al.* (32) | 2014 | 487 | + | n/a |
| Ravaioli M, et al. (33) | 2014 | 621 | - | + |
| Schneider EB, et al. (34) | 2014 | 3,695 | + | + |
| Buettner S, et al. (15) | 2014 | 9,874 | + | n/a |
| Aldrighetti L, et al.** (35) | 2015 | 1,497 | + | n/a |
| Ejaz A, et al. (36) | 2015 | 9,466 | n/a | + |
| Buettner S, et al. (37) | 2016 | 5,075 | + | + |
| Gani F, et al. (38) | 2016 | 27,813 | + | n/a |
| Botea F, et al. (39) | 2017 | 3,016 | + | + |
| Chapman BC, et al. (40) | 2017 | 12,757 | + | + |
| Idrees JJ, et al. (41) | 2018 | 96,107 | + | n/a |
| Bouras AF, et al.*** (42) | 2019 | 46 | - | n/a |
| Chen Q, et al. (43) | 2019 | 4,902 | + | n/a |
| Filmann N, et al. (44) | 2019 | 110,332 | + | + |
| Chang CM, et al. (45) | 2019 | 13,159 | + | + |
*Focus on gallbladder cancer; **Learning curve not hospital volume; ***Focus on laparoscopic liver surgery.