Table 1 Basic characteristics of included studies
Reference no, publication year | Country/study period | Patients (n) | Bismuth type (n) (I/II/III/IV) | Biliary drainage (n) (EBD/PBD) | PVE (n) | VR (n) (PVR/AR) | Median OS (month) | R0 resection n (%) | NOS score | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LH | RH | LH | RH | LH | RH | LH | RH | LH | RH | LH | RH | LH | RH | |||
Bednarsch [14] 2020 | Germany/2011–2016 | 36 | 45 | 1/0/23/12 | 2/6/23/14 | 27/8 | 35/11 | 0 | 37 | 36/5 | 45/0 | 34 | 45 | 25 (69.4) | 34 (75.6) | 7 |
Hong [15] 2020 | Korea/2000–2018 | 82 | 114 | 5/6/43/28 | 4/13/75/22 | 60 | 93 | 2 | 45 | 4/6 | 8/1 | NR | NR | 62 (75.6) | 83 (72.8) | 8 |
Jo [16] 2020 | Korea/2010–2017 | 24 | 33 | NR/NR/NR/7 | NR/NR/NR/12 | 14/8 | 20/9 | 0 | 6 | 2/NR | 9/NR | NR | NR | 18 (75.0) | 25 (75.8) | 8 |
Hosokawa [17] 2019 | Japan/2008–2016 | 27 | 27 | NR/2/8/17 | NR/2/9/16 | NR | NR | NR | NR | NR | NR | NR | NR | 15 (55.6) | 12 (44.4) | 8 |
Sugiura [18] 2019 | Japan/2002–2013 | 12 | 24 | 2/10/NR/NR | 8/16/NR/NR | NR | NR | 0 | 24 | 1/NR | 4/NR | 44 | 57 | 11 (91.7) | 22 (91.7) | 7 |
Lee [19] 2018 | Korea/1995–2012 | 35 | 103 | NR/NR/35/NR | NR/NR/103/NR | 23 | 71 | 0 | 24 | NR | NR | 36 | 30 (85.7) | 85 (82.5) | 8 | |
Govil [20] 2016 | India/2009–2015 | 23 | 13 | NR/NR/15/8 | NR/NR/13/0 | 0/8 | 0/6 | 0 | 0 | 15/10 | 4/0 | 22 | 20 | 29 (87.9) | 12 (92.3) | 6 |
Ratti [21] 2015 | Italy/2004–2014 | 44 | 61 | 1/17/13/13 | 1/20/15/25 | 6/16 | 9/22 | 0 | 29 | 7/5 | 10/7 | NR | NR | 27 (61.4) | 46 (75.4) | 7 |
Otto [22] 2012 | Germany/1998–2011 | 68 | 68 | NR | NR | NR | NR | 0 | 4 | NR | NR | 26 | 37 | 49 (72.1) | 56 (82.4) | 6 |
Unno [23] 2010 | Japan/2001–2008 | 42 | 47 | NR | NR | NR | NR | NR | NR | NR | NR | 33.2 | 21.4 | NR | NR | 6 |
Shimizu [24] 2010 | Japan/1984–2008 | 88 | 84 | 8/39/29/8 | 10/38/32/8 | NR | NR | 5 | 32 | 25/9 | 23/2 | 24.4 | 14.1 | 56 (63.6) | 58 (69.0) | 7 |
Konstadoulakis [25] 2008 | USA/1988–2006 | 29 | 20 | NR | NR | NR | NR | NR | NR | NR | NR | NR | NR | 16 (55.2) | 17 (85.0) | 7 |
Kondo [26] 2004 | Japan/1999–2002 | 9 | 17 | 0/1/7/1 | 1/3/8/5 | NR | NR | NR | NR | NR | NR | 20.8 | NR | NR | NR | 6 |
Yamanaka [27] 2001 | Japan/1980–1998 | 11 | 14 | NR | NR | NR | NR | NR | NR | 8/9 | 4/1 | NR | NR | 11 (91.7) | 14 (87.5) | 7 |