Table 8 Main results of pooled RRs in the meta-analysis
Comparisions (miRNA groups) | Heterogeneity test | Summary RR (95% CI) | Asymmetrical distribution | Studies | |||
|---|---|---|---|---|---|---|---|
Q | p-value | I2 (%) | b Egger coefficient | p-value | |||
General metastasis | 66.60 | < 0.000001 | 87.99 | 1.05 (0.52, 2.09) | − 0.86 | ns (0.70) | 9 |
Distant metastasis | 47.58 | < 0.000001 | 91.59 | 0.92 (0.32, 2.61) | − 0.82 | ns (0.86) | 5 |
Lymph node metastasis | 2.21 | ns (0.33) | 9.71 | 0.54 (0.30, 1.00) | − 1.80 | ns (0.65) | 3 |
Bone metastasis | 26.83 | < 0.000001 | 96.27 | 1.05 (0.84, 5.49) | NA | NA | 2 |
Gleason score > 6 | 36.78 | 0.000125 | 70.09 | 0.90 (0.77, 1.06) | − 0.71 | ns (0.46) | 12 |
Gleason score > 7 | 39.58 | 0.000085 | 69.68 | 0.82 (0.60, 1.13) | − 1.55 | ns (0.15) | 13 |
pT stage | 32.81 | 0.000293 | 69.53 | 1.02 (0.73, 1.41) | − 0.31 | ns (0.77) | 11 |