Table 2.
HR values of the OS, CSS, and DFS of the RCC.
| Outcome | Studies (n) | Patients | HR | 95% CI | p value | Model | Chi2, I 2, p value |
|---|---|---|---|---|---|---|---|
| OS | 6 | 3143 | 2.13 | 1.74–2.61 | 0.000 | Fixed | 5.26, 5%, 0.38 |
| CSS | 4 | 3234 | 3.12 | 2.19–4.44 | 0.000 | Fixed | 2.47, 0%, 0.48 |
| DFS | 3 | 1015 | 1.67 | 1.30–2.15 | 0.000 | Fixed | 3.87, 48%, 0.14 |
CI: confidence interval; CSS: cancer-specific survival; Fixed: fixed, inverse variance model; HR: hazard ratio; I 2: I-squared; OS: overall survival; Random: random, I–V heterogeneity model; DFS: disease-free survival.