Table 1 Characteristics of included studies in meta-analysis
Author | Year | Country | Ethnicity | Treatment | Follow-up (month) | Cut-off | Study period | Patients (n) | Survival analysis | NOS score |
|---|---|---|---|---|---|---|---|---|---|---|
Mehmet Aliustaoglu | 2010 | Turkey | Caucasian | Chemotherapy | NA | 160 | 2004–2008 | 168 | OS | 7 |
Deshen Wang | 2012 | China | Asian | Surgery | 39.9 (23.77–57.43) | 150/300 | 2006–2009 | 324 | OS/DFS | 8 |
Suee Lee | 2013 | Korea | Asian | Chemotherapy | 14.9 (1–47.9) | 160 | 2007–2010 | 174 | OS | 7 |
Qing Wang | 2014 | China | Asian | Mixed | NA | 160 | 2006–2014 | 439 | OS | 7 |
Dawei Yuan | 2014 | China | Asian | Surgery | NA | 150 | 2009–2012 | 280 | OS/DFS | 7 |
Nan Jiang | 2014 | China | Asian | Surgery | 42 (1–103) | 184 | 2005–2007 | 377 | OS | 8 |
Lian Lian | 2015 | China | Asian | Surgery | 60 | 208 | 2007–2010 | 162 | OS/DFS | 8 |
Fen Wang | 2015 | China | Asian | Chemotherapy | 40 | 235 | 2010–2011 | 120 | NA | 6 |
KaiYu Sun | 2015 | China | Asian | Surgery | 55.75 (0.8–186) | 140 | 1998–2008 | 632 | OS | 8 |
Xuechao Liu | 2015 | China | Asian | Surgery | NA | 180 | 2015–2010 | 455 | OS | 7 |
Meral Gunaldi | 2015 | Turkey | Caucasian | Mixed | 11.5 | 160 | NA | 245 | OS | 6 |
M. Messager | 2015 | UK | Caucasian | Surgery | 31.8 (4–131) | 192 | 2001–2014 | 153 | OS/DFS | 8 |
Qiwen Deng | 2015 | China | Asian | Surgery | 24 (3–60) | 132 | 2007–2009 | 389 | OS/DFS | 8 |
Jun-Te Hsu | 2015 | China | Asian | Surgery | 30 | 132 | 2005–2011 | 1030 | OS | 8 |
Eun Young Kim | 2015 | Korea | Asian | Surgery | NA | 126 | 2000–2009 | 1986 | OS/DFS | 7 |
Aldemir(1) | 2015 | Turkey | Caucasian | Surgery | NA | 170 | 2006–2013 | 53 | OS | 7 |
Aldemir(2) | 2015 | Turkey | Caucasian | Chemotherapy | NA | 170 | 2006–2013 | 50 | OS | 7 |
Wenyang Pang | 2016 | China | Asian | Surgery | NA | 155.67 | 2009–2011 | 492 | NA | 6 |
Xin Zhou | 2016 | China | Asian | Surgery | NA | 167 | 2006–2008 | 451 | OS | 7 |
Jin Wang | 2016 | China | Asian | Chemotherapy | NA | 201.6 | 2005–2013 | 273 | OS | 7 |
Neng Lou | 2017 | China | Asian | Surgery | NA | 106 | 2006–2014 | 312 | NA | 6 |
Weipeng Gong | 2017 | China | Asian | Surgery | 22 (8–67) | 161 | 2007–2015 | 91 | OS | 8 |
Kenichi Inaoka | 2017 | Japan | Asian | Surgery | NA | 71 | 1999–2016 | 312 | NA | 6 |
Masayuki Urabe | 2017 | Japan | Asian | Surgery | 63.3 | NA | 1999–2014 | 1363 | OS/DFS | 8 |
Shubin Song | 2017 | China | Asian | Surgery | 37 (3–108) | 139.12 | 2007–2011 | 1990 | OS | 8 |
Fan Feng(1) | 2017 | China | Asian | Surgery | 24.9 (1–75) | 130.675 | 2008–2015 | 1621 | OS | 8 |
Fan Feng(2) | 2017 | China | Asian | Surgery | 24.9 (1–75) | 130.675 | 2008–2015 | 1622 | OS | 8 |
Kenji Mima Tsu | 2017 | Japan | Asian | Surgery | NA | 200 | 2006–2016 | 33 | OS | 7 |
Kang Wang | 2017 | China | Asian | Surgery | 45 (1–185) | 120 | 1994–2005 | 444 | OS | 8 |
Harry E. Fuentes | 2017 | USA | Caucasian | Mixed | 21.3 (9.5–42.6) | 260 | 2010–2015 | 112 | OS | 7 |
Mikito Mori | 2018 | Japan | Asian | Surgery | 37 (5–108) | 149.4 | 2006–2017 | 100 | NA | 7 |
Hongtai Shi | 2018 | China | Asian | Surgery | 36 (1–75) | 135 | 2012–2014 | 688 | OS | 8 |
YuChen Pan | 2018 | China | Asian | Surgery | 59.9 | 115 | 2008–2012 | 870 | OS | 8 |
Guangsheng Zhu | 2018 | China | Asian | Surgery | NA | 117.78 | 2010–2016 | 248 | OS | 7 |
Hai-Jeon Yoon | 2018 | Japan | Asian | Surgery | 34.5 (6.5–74.8) | 10.1 | 2011–2016 | 134 | OS/DFS | 8 |
Yan Zhang | 2018 | China | Asian | Mixed | NA | 172 | 2011–2014 | 182 | OS/DFS | 7 |
Ji lin | 2018 | China | Asian | Surgery | NA | 116.85 | 2015–2016 | 670 | OS | 7 |
A. Ramos-Esquivel | 2018 | Costa Rica | Caucasian | Mixed | 13.21 (0–84) | 350 | 2009–2012 | 381 | OS/DFS | 7 |
Jiaxin Wen | 2018 | UK | Caucasian | Surgery | NA | 150 | 2003–2015 | 668 | OS | 7 |
Angelica Petrillo | 2018 | Italy | Caucasian | Chemotherapy | 29 (20.4–37.5) | 157 | 2010–2017 | 151 | OS | 8 |
Hiroaki Saito | 2018 | Japan | Asian | Surgery | NA | 173.3 | 2005–2013 | 453 | OS | 7 |
Cheng Tang | 2018 | China | Asian | Surgery | NA | 130.7 | 2010–2016 | 104 | OS | 7 |
Li-xiang Zhang | 2018 | China | Asian | Surgery | NA | 160 | 2010–2011 | 904 | OS | 7 |
Osama Abu-Shawer | 2019 | Jordan | Asian | Mixed | NA | 150 | NA | 447 | OS | 7 |
Xinran Zhang | 2019 | China | Asian | Surgery | 44.9 (1–188.9) | 168.5 | 2000–2010 | 2752 | OS | 8 |
Cuixia Liu | 2019 | China | Asian | Surgery | NA | 152.2 | 2009–2012 | 400 | NA | 6 |
Hua-Long Zheng | 2019 | China | Asian | Surgery | 54 (35–67) | 133.03 | 2009–2013 | 924 | OS | 8 |
Yuka Ohe | 2020 | Japan | Asian | Chemotherapy | NA | 180 | 2005–2018 | 41 | OS | 7 |
Ibrahim Mungan | 2020 | Turkey | Caucasian | Surgery | NA | 181.8 | 2015–2018 | 292 | NA | 6 |
Jian-Xian Lin | 2020 | China | Asian | Surgery | 65.6 (1–117) | 162.5 | 2009–2014 | 2257 | OS | 8 |
Guanghui Zhao | 2020 | China | Asian | Chemotherapy | 11.6 | 143.39 | 2012–2016 | 110 | OS | 8 |