16 August 2021 : Meta-Analysis
Prognostic Significance of Microvascular Invasion in Pancreatic Ductal Adenocarcinoma: A Systematic Review and Meta-Analysis
Huangbao Li1ACEF, Weiwei Pan2AEF, Liu Xu1BE, Dong Yin3CDE, Shuqun Cheng34AEFG*, Fengqing Zhao5AEFDOI: 10.12659/MSM.930545
Med Sci Monit 2021; 27:e930545
Table 1 Characteristics of included studies.
| Study | Year | Country | Total cases | Description of invasion | Type of prognosis |
|---|---|---|---|---|---|
| Takahashi et al []20 | 2020 | USA | 130 | LVI | OS |
| Panaro et al []10 | 2019 | France | 79 | MVI | DFS, OS |
| Jing et al []11 | 2019 | China | 161 | MVI | DFS, OS |
| Tsuchiya et al []15 | 2019 | Japan | 61 | MVI | DFS |
| Groot et al []21 | 2019 | USA | 957 | LVI | DFS |
| Yamada et al []9 | 2018 | Japan | 352 | MVI | OS |
| Fang et al []22 | 2018 | China | 496 | MVI | OS |
| Kim et al []24 | 2018 | Korea | 70 | LVI | OS |
| Delpero et al []29 | 2017 | France | 129 | LVI | OS |
| Epstein et al []17 | 2017 | USA | 2481 | LVI | OS |
| Okumura et al []12 | 2017 | Japan | 301 | MVI | DFS, OS |
| Liu et al []23 | 2016 | China | 532 | MVI | DFS, OS |
| Wang et al []14 | 2013 | China | 57 | MVI | DFS |
| Crippa et al []8 | 2012 | Italy | 502 | MVI | OS |
| Chatterjee et al []30 | 2012 | USA | 212 | LVI | DFS, OS |
| Hong et al []28 | 2012 | USA | 209 | MVI | OS |
| Pawlik et al []7 | 2007 | USA | 698 | MVI | OS |
| CI – confidence interval; DFS – disease-free survival; HR – Hazard ratio; LVI – lymphovascular invasion; MVI – microvascular invasion; OS – overall survival. | |||||