Table 1 Characteristics of the studies included in the meta-analysis.
Author | Year | Country | Type of publication | Follow-up (months) | Treatment | No. of patients | Stage | Cut-off value | Survival analysis | Analysis | NOS score |
---|---|---|---|---|---|---|---|---|---|---|---|
Li | 2017 | China | Full-text | 33 (6–85) | Surgery | 253 | Mixed | 3.0 | OS/RFS | MV/UV | 8 |
Liao | 2016 | China | Full-text | 44 (1.5–84) | Surgery | 387 | Mixed | 3.3 | OS/RFS | MV | 8 |
Lin (1) | 2015 | China | Full-text | 34.8 (1.7–106.6) | Surgery | 210 | Mixed | 3.23 | OS/RFS | MV/UV | 7 |
Lin (2) | 2014 | China | Abstract | 34 (2–106) | Surgery | 210 | — | 3.2 | OS/RFS | MV/UV | — |
Tang | 2016 | China | Full-text | 38 (1.5–82.2) | Surgery | 208 | Mixed | 0.83 | OS/RFS | MV/UV | 5 |
Wu | 2016 | China | Full-text | 45.5 (2–93) | Surgery | 450 | Mixed | 3.77 | OS/RFS | MV/UV | 7 |
Yang | 2017 | China | Full-text | NA | Surgery | 1020 | Mixed | 3.23 | DFS | MV/UV | 6 |