Review Article

Prognostic Value of MicroRNA-15a in Human Cancers: A Meta-Analysis and Bioinformatics

Table 4

Meta-analysis of overall survival and subgroup analysis.

SubgroupNo of studiesHR (95% CI)ModelHeterogeneity
(%)P-value

Race
 Asian63.10 (2.21-4.34)random00.640
 European l41.02 (0.53-1.96)random69.80.037
Year
51.43 (0.85-2.41)random67.90.014
53.67 (2.34-5.74)random00.642
Material
 Tissue81.97 (1.22-3.19)random70.40.001
 Serum/bone marrow23.63 (1.70-7.76)random00.973
Cancer type
 Colorectal cancer41.27 (0.69-2.36)random70.60.017
 Other type of cancer63.11 (2.16-4.49)random00.512