Table 1 Basic characteristics of included studies
From: Prognostic value of consolidation-to-tumor ratio on computed tomography in NSCLC: a meta-analysis
Authors | Year | Study period | Country | Sample size | MFP (months) | Study type | Histology type | Cut-off | Endpoint | Source of HR | Nos |
|---|---|---|---|---|---|---|---|---|---|---|---|
Aoki et al. [17] | 2001 | 1990–1999 | Japan | 127 | 37.1 | Retro | ADA | 0.5 | OS | E | 7 |
Higashi et al. [18] | 2009 | 1997–2005 | Japan | 87 | 18 | Retro | ADA | 0.5 | DFS | E | 7 |
Koike et al. [19] | 2012 | 1992–2009 | Japan | 223 | 70 | Retro | NSCLC | 0.75 | OS | R | 8 |
Kishimoto et al. [20] | 2014 | 2006–2010 | Japan | 169 | 42 | Retro | NSCLC | C | DFS | R | 8 |
Nakamura et al. [22] | 2015 | 2005–2011 | Japan | 113 | 46 | Retro | ADA | 0.5 | OS/DFS | R | 8 |
Shimada et al. [23] | 2015 | 2004–2010 | Japan | 67 | 58.9 | Retro | NSSLC | 0.5 | OS/RFS | R | 8 |
Cho et al. [21] | 2015 | 2001–2010 | Korea | 97 | 44.7 | Retro | ADA | 0.25 | OS/RFS | E | 8 |
Tsurugai et al. [24] | 2016 | 2005–2014 | Japan | 155 | 34.7 | Retro | NSCLC | 0.5 | OS/DFS | R | 8 |
Suzuki et al. [25] | 2017 | 2003–2007 | Japan | 392 | 84 | Retro | ADA | 0.5 | OS/RFS | E | 7 |
Tsunezuka et al. [26] | 2017 | 2008–2012 | Japan | 62 | 55.1 | Retro | NSCLC | 0.5 | OS/RFS | R | 7 |
Huang et al. [27] | 2018 | 2004–2013 | China | 789 | 87 | Retro | ADA | 0.75 | OS/DFS | E | 7 |
Ye et al. [28] | 2018 | 2008–2014 | China | 736 | 38 | Retro | ADA | C | RFS | R | 7 |
Kamigaichi et al. [29] | 2019 | 2007–2016 | Japan | 166 | 49.3 | Retro | NSCLC | 0.85 | OS/RFS | E | 7 |
Kim et al. [13] | 2019 | 2009–2015 | Korea | 691 | 39 | Retro | ADA | 0.5 | DFS | R | 7 |
Ye et al. [6] | 2019 | 2008–2014 | China | 329 | 42.2 | Retro | ADA | 0.5 | OS | R | 8 |
Kuroda et al. [31] | 2020 | 2006–2010 | Japan | 260 | 83.8 | Retro | NSCLC | 0.5 | OS/DFS | R | 7 |
Kabalak et al. [30] | 2020 | 2013–2016 | Turkey | 156 | 40 | Retro | ADA | 0.5 | OS/PFS | E | 8 |
RYOJI IWAMOTO et al. [33] | 2021 | 2000–2009 | Japan | 73 | 77 | Retro | ADA | 0.8 | OS | R | 7 |
Takamori et al. [37] | 2021 | 2006–2014 | Japan | 85 | 87.6 | Retro | NSCLC | 0.5 | OS | E | 7 |
Sun et al. [36] | 2021 | 2014.01–2014.12 | China | 257 | 76 | Retro | NSCLC | C | OS/RFS | R | 7 |
Zhong et al. [39] | 2021 | 2011–2012 | China | 620 | 72.4 | Retro | ADA | C | OS/RFS | R | 7 |
Ji et al. [34] | 2021 | 2014–2015 | China | 190 | 51 | Retro | ADA | 0.5 | PFS | R | 7 |
Lin et al. [35] | 2021 | 2013–2015 | China | 372 | 55 | Retro | ADA | 0.5 | RFS | R | 7 |
Xi et al. [12] | 2021 | 2011–2016 | China | 862 | 47 | Retro | ADA | C | RFS | R | 7 |
Chiang et al. [32] | 2021 | 2011–2017 | China | 1002 | 43.2 | Retro | ADA | 0.5 | DFS | R | 8 |
Tsai et al. [38] | 2021 | 2003–2015 | China | 149 | 74 | Retro | ADA | 0.5 | OS/DFS | R | 8 |
Hattori et al. [40] | 2022 | 2008–2017 | Japan | 603 | 54 | Retro | ADA | C | OS | R | 8 |
Nakao et al. [41] | 2022 | 2010–2017 | Japan | 1014 | 61 | Retro | ADA | C | OS | R | 8 |
Zhai et al. [42] | 2022 | 2008–2018 | China | 501 | 64.8 | Retro | ADA | 0.75 | OS/DFS | R | 8 |