Review Article
Prognostic Value of MicroRNA-497 in Various Cancers: A Systematic Review and Meta-Analysis
Table 2
Main results of pooled HRs in the meta-analysis.
| Comparisons | Heterogeneity test | Pooled HR (95% CI) | Hypothesis test | No. of studies | | | (%) | | |
| OS | | | | | | | | Total | 13.71 | 0.47 | 0 | 2.19 (1.84, 2.60) | 8.89 | <0.001 | 15 | Ethnicity | | | | | | | | Asian | 8.94 | 0.71 | 0 | 2.10 (1.76, 2.51) | 8.19 | <0.001 | 13 | Caucasian | 1.62 | 0.20 | 38 | 4.06 (2.00, 8.24) | 3.89 | <0.001 | 2 | Cancer type | | | | | | | | HCC | 0.25 | 0.62 | 0 | 2.35 (1.58, 3.50) | 4.21 | <0.001 | 2 | Other cancers | 13.30 | 0.35 | 10 | 2.15 (1.78, 2.60) | 7.84 | <0.001 | 13 | DFS/RFS | | | | | | | | Total | 12.92 | 0.005 | 77 | 1.17 (0.53, 2.57) | 0.39 | 0.69 | 4 | Ethnicity | | | | | | | | Asian | 9.99 | 0.007 | 80 | 1.42 (0.55, 3.67) | 0.73 | 0.47 | 3 | Caucasian | — | — | — | 0.63 (0.27, 1.47) | 1.07 | 0.29 | 1 |
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OS: overall survival; DFS: disease-free survival; RFS: relapse-free survival; HCC: hepatocellular carcinoma; HR: hazard ratio; CI: confidence interval.
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