Outcome | No. of studies | RR (95% CI) | P value | I2(%) | HG p value |
---|---|---|---|---|---|
Patients with stage I disease | Â | Â | Â | Â | Â |
  OS | 1.39 (1.03, 2.02) | 0.02 | 66 | 0.02 | |
  RFS | 1.51 (1.14, 2.01) | 0.005 | 60 | 0.03 | |
High-quality studies | Â | Â | Â | Â | Â |
  OS | 1.58 (1.19, 2.08) | 0.001 | 61 | 0.02 | |
  RFS | 1.52 (1.14, 2.01) | 0.004 | 57 | 0.04 | |
Studies with >200 patients | Â | Â | Â | Â | Â |
  OS | 1.26 (1.12, 1.41) | < 0.001 | 66 | < 0.001 | |
  RFS | 1.41 (1.13, 1.75) | 0.002 | 61 | 0.02 |