Table 5.
Basic Characteristic of Included Studies.
| Author | Year | Research type | Study area | Number of patients | Sourceof DNA | Detection method | FIGO staging |
|---|---|---|---|---|---|---|---|
| HONG NO 21 | 2012 | Retrospective | Korea | 36 | Serum | Real time-PCR | III/IV |
| Steffensen 24 | 2014 | Retrospective | Denmark | 144 | Plasma | Real time-PCR | I-IV |
| Parkinson 4 | 2016 | Retrospective | UK | 40 | Plasma | Digital PCR | III/IV |
| Vanderstichele 25 | 2019 | RCT | European | 119 | Plasma | Real time-PCR | III/IV |
| Kalavska 19 | 2018 | RCT | Slovakia | 67 | Plasma | Real time-PCR | I-IV |
| Meng 20 | 2019 | Retrospective | China + Germany | 165 | Serum | Real time-PCR | I-IV |
| Rusan 22 | 2020 | RCT | Denmark | 24 | Plasma | Digital PCR | III/IV |
| Steffensen 23 | 2018 | Retrospective | Denmark | 32 | Plasma | Digital PCR | III/IV |