Site of metastasis | Number | 5-year proportion free of metastases | Hazard ratio | p value | ||
---|---|---|---|---|---|---|
 | Basal | Non-basal | Basal | Non-basal | (95% CI) |  |
All sites | Â | Â | Â | Â | Â | Â |
   No | 51 | 169 | 59% | 55% | 0.65 (0.48–0.88) | 0.005 |
   Yes | 37 | 186 |  |  |  |  |
Bone | Â | Â | Â | Â | Â | Â |
   No | 74 | 245 | 85% | 73% | 0.49 (0.28–0.86) | 0.01 |
   Yes | 14 | 109 |  |  |  |  |
Liver | Â | Â | Â | Â | Â | Â |
   No | 76 | 265 | 86% | 77% | 0.53 (0.29–0.97) | 0.035 |
   Yes | 12 | 89 |  |  |  |  |
Brain | Â | Â | Â | Â | Â | Â |
   No | 75 | 327 | 85% | 93% | 1.92 (0.27–1.01) | 0.051 |
   Yes | 13 | 27 |  |  |  |  |
Lung/pleura | Â | Â | Â | Â | Â | Â |
   No | 65 | 261 | 73% | 77% | 0.92 (0.58–1.46) | 0.72 |
   Yes | 23 | 93 |  |  |  |  |
Skin | Â | Â | Â | Â | Â | Â |
   No | 79 | 316 | 87% | 90% | 0.94 (0.45–1.95) | 0.87 |
   Yes | 9 | 38 |  |  |  |  |
Pericardial/mediastinum | Â | Â | Â | Â | Â | Â |
   No | 84 | 342 | 94% | 97% | 1.23 (0.39–3.83) | 0.72 |
   Yes | 4 | 12 |  |  |  |  |
Nodes (non-regional) | Â | Â | Â | Â | Â | Â |
   No | 83 | 293 | 93% | 84% | 0.31 (0.13–0.78) | 0.008 |
   Yes | 5 | 61 |  |  |  |  |