Table 1.
Characteristics of the studies included in this meta-analysis
| Study | Year | Country | Disease | Number | Sample | Assay | Survival | HR Reported |
|---|---|---|---|---|---|---|---|---|
| X Wang [11] | 2014 | China | Ovarian cancer | 86 | Tissue | qRT-PCR | OS | 2.119 (1.568-3.221) |
| Zhongxue Su [12] | 2014 | China | Hepatocellular | 131 | Tissue | qRT-PCR | OS | 2.179 (1.876-4.335) |
| Fangxiu Xu [9] | 2014 | China | Lung adenocarcinoma | 100 | Tissue+Plasma | qRT-PCR | OS | 2.34 (1.02-5.35) |
| Xiaojun Li [8] | 2014 | China | Colorectal | 186 | Tissue | qRT-PCR | OS | 1.90 (1.22-2.97) |
| Yungui Wang [10] | 2011 | China | AML | 53 | Bone marrow samples | qRT-PCR | OS | 0.648551 (0.36-1.45) |
| Caiyun Wu [7] | 2014 | China | Oesophageal Squamous cell carcinoma | 111 | Serum | qRT-PCR | OS | 3.84 (1.02-14.41) |
| Baek-Hui Kim [6] | 2012 | Korea | Gastric carcinoma | 91 | Tissue | qRT-PCR | OS | 4.52 (3.39-5.38) |
| Xiaohui Xu [13] | 2013 | China | Esophageal Squamous cell carcinoma | 86 | Tissue | qRT-PCR | OS | 3.87 (0.65-5.83) |