Table 3. Meta-analysis of the association between high survivin expression and clinicopathological features of RCC.
| Variables | Studies | Pooled RR | 95% CI | P Value | Model | HeterogeneityI2 (%) | P Value |
|---|---|---|---|---|---|---|---|
| TNM stage | 5 | 2.75 | 2.21–3.44 | <0.001 | fixed | 0 | 0.520 |
| pT stage | 5 | 2.19 | 1.75–2.75 | <0.001 | fixed | 12.2 | 0.336 |
| Lymph node metastasis | 6 | 2.28 | 1.61–3.25 | <0.001 | fixed | 0 | 0.514 |
| Distant metastasis | 4 | 1.56 | 1.16–2.08 | 0.003 | random | 85.7 | <0.001 |
| Fuhrman grade | 6 | 2.81 | 2.29–3.45 | <0.001 | fixed | 0 | 0.618 |
| Tumor size | 4 | 1.49 | 1.24–1.78 | <0.001 | random | 91.9 | <0.001 |
RR: relative ratio; CI: confidence interval; RCC: renal cell carcinoma.