Table 1 |
||||
| Risks of death for metastatic cancers compared to CUP (cancer of unknown primary) patients diagnosed with these metastases | ||||
| Primary site | N | HR | 95% CI | |
| CUP (reference) | 2881 | 1 | ||
| Colorectal cancer | 1438 | 0.61 | 0.57 | 0.65 |
| Pancreatic cancer | 460 | 1.71 | 1.54 | 1.90 |
| Stomach cancer | 322 | 1.16 | 1.02 | 1.31 |
| Liver cancer | 188 | 1.58 | 1.36 | 1.84 |
| Lung cancer | 2453 | 0.98 | 0.92 | 1.04 |
| Kidney cancer | 284 | 0.71 | 0.62 | 0.80 |
| Bladder cancer | 139 | 0.93 | 0.78 | 1.11 |
| Prostate cancer | 1259 | 0.24 | 0.22 | 0.26 |
| Breast cancer | 202 | 0.53 | 0.45 | 0.61 |
| All known primaries | 6745 | 0.69 | 0.66 | 0.72 |
Patients were diagnosed and died between 2002 and 2008. Only patients with one primary cancer and a positive metastasis status were considered.
Riihimäki et al. BMC Cancer 2013 13:36 doi:10.1186/1471-2407-13-36