Study | Publication year | Study design | Country | Sample size | Percent of male (%) | Mean age (years) | Treatment strategy | Disease status | Cutoff value of PLR | NOS score |
---|---|---|---|---|---|---|---|---|---|---|
Aliustaoglu [23] | 2010 | Retrospective | Turkey | 168 | 67.8 | 60.1 | Chemotherapy | Advanced | 160 | 6 |
Lee [32] | 2013 | Retrospective | Korea | 174 | 65.5 | 55.0 | Chemotherapy | Advanced | 160 | 8 |
Jiang [30] | 2014 | Prospective | China | 377 | 67.1 | 64.0 | Surgery | Early | 184 | 7 |
Wang [45] | 2014 | Retrospective | China | 439 | 72.7 | NA | Mixed | Advanced | 160 | 7 |
Lian [33] | 2015 | Retrospective | China | 162 | 69.8 | 56.3 | Surgery | All | 208 | 8 |
Aldemir [22] | 2015 | Retrospective | Turkey | 103 | 56.3 | 58.0 | Mixed | Early and Advanced | 170 | 7 |
Deng [24] | 2015 | Retrospective | China | 389 | 72.5 | 65.0 | Surgery | All | 132 | 8 |
Gunaldi [28] | 2015 | Retrospective | Turkey | 245 | 72.2 | 59.6 | Mixed | All | 160 | 7 |
Hsu [29] | 2015 | Retrospective | China | 1030 | 64.5 | NA | Surgery | All | 132 | 7 |
Kim [31] | 2015 | Prospective | Korea | 1986 | 66.3 | 58.2 | Surgery | Early | 126 | 7 |
Liu [34] | 2015 | Retrospective | China | 455 | 69.0 | 59.0 | Surgery | Early | 188 | 6 |
Sun [39] | 2015 | Retrospective | China | 632 | 65.3 | 57.0 | Surgery | All | 140 | 7 |
Wang [42] | 2015 | Retrospective | China | 120 | 62.5 | 68.0 | Chemotherapy | Advanced | 235 | 8 |
Feng [25] | 2016 | Retrospective | China | 3243 | 78.3 | 57.3 | Mixed | Advanced | 130 | 7 |
Sun [40] | 2016 | Retrospective | China | 305 | 66.2 | 57.0 | Surgery | Early | 120 | 8 |
Zhou [49] | 2016 | Retrospective | China | 451 | 71.8 | NA | Surgery | Early | 255 | 7 |
Wen [46] | 2017 | Retrospective | UK | 253 | 66.1 | 75.5 | Surgery | All | 150 | 6 |
Fuentes [26] | 2017 | Retrospective | USA | 112 | 66.1 | 58.0 | Mixed | Advanced | 260 | 6 |
Song [38] | 2017 | Retrospective | China | 1990 | 73.7 | 62.0 | Surgery | Advanced | 139 | 7 |
Wang [43] | 2017 | Retrospective | China | 273 | 68.1 | 56.7 | Chemotherapy | Advanced | 202 | 6 |
Wang [44] | 2017 | Retrospective | China | 444 | 63.3 | 56.0 | Surgery | All | 120 | 7 |
Ramos-Esquivel [36] | 2018 | Retrospective | Costa Rica | 381 | 57.2 | 61.2 | Mixed | All | 350 | 7 |
Petrillo [35] | 2018 | Retrospective | Italy | 151 | 64.2 | 62.0 | Chemotherapy | Advanced | 157 | 8 |
Saito [37] | 2018 | Retrospective | Japan | 453 | 73.1 | 67.7 | Surgery | All | 173 | 7 |
Gong [27] | 2018 | Retrospective | China | 91 | 75.8 | 55.0 | Mixed | Advanced | 108 | 7 |
Zhang [48] | 2018 | Retrospective | China | 182 | 67.0 | 65.0 | Mixed | All | 172 | 7 |
Tang [41] | 2018 | Retrospective | China | 104 | 71.2 | NA | Chemotherapy | Advanced | 131 | 6 |
Zhang [47] | 2018 | Retrospective | China | 904 | 74.4 | NA | Surgery | All | 160 | 7 |