Table 1 Main characteristics of studies included in the meta-analysis
First author, year of publication, and reference | Patient country of origin | Dominant ethnicity | Study design | Malignant disease | Main type of pathology | Detected sample | Survival analysis | Source of HR | Maximum follow-up, months |
|---|---|---|---|---|---|---|---|---|---|
Lee, 2013 [5] | USA | White | R | Brain glioma | Glioblastoma | Tissue | OS | Reported | 120 |
Saija, 2013 [6] | Finland | White | R | Brain glioma | Glioblastoma | Tissue | OS | SC | 135 |
Campayo, 2013 [7] | Spain | White | R | NSCLC | Adeno/SCC | Tissue | RFS | SC | 36 |
Yu, 2013 [11] | China | Asian | R | HNC | SCC | Tissue | OS | SC | 60 |
Avgeris, 2013 [20] | Greece | White | R | Prostate cancer | Adeno | Tissue | DFS | Reported | 72 |
Tang, 2013 [21] | China | Asian | R | Osteosarcoma | Sarcoma | Tissue | OS/DFS | Reported | 152 |
Tanaka, 2013 [22] | Japan | Asian | R | Esophageal cancer | SCC | Serum | PFSa | SC | 39 |
Speranza, 2012 [23] | Italy | White | R | Brain glioma | Glioblastoma | Tissue | OS | SC | 18 |
Kang, 2012 [24] | Korea | Asian | R | Prostate cancer | Adeno | Tissue | RFS | Reported | 55 |
Schee, 2012 [25] | Norway | White | R | CRC | Adeno | Tissue | MFS | SC | 60 |
Law, 2012 [9] | China | Asian | R | HCC | Adeno | Tissue | DFS | SC | 144 |
Ko, 2012 [12] | Canada | White | R | Esophageal cancer | SCC | Tissue | DFS | SC | 32 |
Huang, 2012 [26] | China | Asian | R | Cervical cancer | Small cell carcinoma | Tissue | OS | SC | 70 |
Marchini, 2011 [27] | Italy | White | R | EOC | Adeno | Tissue | OS/PFS | Reported | 143 |
Radojicic, 2011 [28] | Greece | White | R | Breast cancer | Adeno | Tissue | OS/DFS | SC | 120 |
Leite, 2011 [13] | Brazil | White | R | Prostate cancer | Adeno | Tissue | RFS | Reported | 122 |
Hamano, 2011 [29] | Japan | Asian | R | Esophageal cancer | SCC | Tissue | OS | SC | 97 |
Drebber, 2011 [30] | Germany | White | R | Rectal cancer | Adeno | Tissue | OS | SC | 72 |