Review Article
A Meta-Analysis of MiRNA-497 and Prognosis of Hepatocellular Carcinoma
Table 1
The main characteristics of the studies included in this meta-analysis.
| Author | Year | Method | Number | miR-497 expression | Cut-off | Vascular infiltration | Follow-up | Outcome | NOS | Low | High | Low | High | (months) | TNM I∼II | III∼IV | I∼II | III∼IV |
| Zhang et al. | 2016 | qRT-PCR | 86 | 28 | 15 | 39 | 4 | Median | 24 | 16 | 60 | OS | 7 | Xie et al. | 2017 | qRT-PCR | 61 | 35 | 5 | 11 | 10 | Median | 21 | 2 | 60 | OS | 7 | Zhang et al. | 2018 | qRT-PCR | 125 | 30 | 34 | 41 | 22 | Median | 41 | 25 | 60 | OS | 7 | Zhao et al. | 2019 | qRT-PCR | 75 | — | — | — | — | Median | 26 | 18 | 30 | OS | 6 | Ali et al. | 2021 | qRT-PCR | 60 | — | — | — | — | Median | — | — | — | OS | 6 | Chen et al. | 2021 | qRT-PCR | 50 | 9 | 16 | 17 | 8 | Median | 16 | 10 | 60 | OS | 8 |
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Note. The dashes mean no data. qRT-PCR: quantitative real-time PCR; TNM: Tumor-node-metastasis; OS: overall survival; NOS: Newcastle-Ottawa scale.
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