Table 2

Risks of death for metastatic cancers compared to CUP (cancer of unknown primary) patients diagnosed with these metastases
Site of metastasis
Respiratory system Gastro-intestinal system Liver Brain Bone
Primary site N HR 95% CI N HR 95% CI N HR 95% CI N HR 95% CI N HR 95% CI
CUP (reference) 286 1 878 1 983 1 131 1 215 1
Colorectal cancer 38 0.44 0.30 0.64 46 0.67 0.49 0.93 587 0.42 0.37 0.46 11 0.28 0.13 0.60 6 0.80 0.32 2.04
Pancreatic cancer 21 1.61 0.92 2.81 11 0.75 0.38 1.47 235 1.24 1.06 1.46 2 5.69 0.70 46.11 3 0.75 0.17 3.19
Stomach cancer 6 2.76 1.01 7.54 23 1.51 0.94 2.45 110 0.98 0.78 1.23 2 1.45 0.21 9.77 12 0.88 0.38 2.03
Liver cancer 14 1.17 0.60 2.26 8 0.75 0.33 1.68 73 1.19 0.92 1.55 1 3.34 0.19 58.65 8 0.56 0.21 1.47
Lung cancer 71 1.36 0.99 1.87 10 0.68 0.36 1.32 166 0.76 0.63 0.90 574 1.00 0.81 1.23 317 0.99 0.81 1.22
Kidney cancer 45 0.65 0.44 0.97 0 0.00 0.00 0.00 11 0.50 0.26 0.96 7 0.72 0.24 2.17 31 0.81 0.50 1.30
Bladder cancer 18 0.83 0.46 1.50 1 7.70 0.83 71.62 7 1.44 0.65 3.19 5 0.64 0.15 2.65 20 0.95 0.52 1.71
Prostate cancer 8 0.42 0.13 1.37 1 0.11 0.01 0.90 14 0.25 0.14 0.45 6 0.48 0.11 2.16 481 0.27 0.21 0.34
Breast cancer 15 0.83 0.37 1.84 1 0.29 0.04 2.13 13 0.31 0.16 0.58 9 0.66 0.15 2.87 26 0.50 0.29 0.87
All known primaries 236 0.83 0.68 1.01 101 0.78 0.62 0.99 1216 0.58 0.53 0.63 617 0.95 0.78 1.17 904 0.57 0.48 0.69

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.

Riihimäki et al. BMC Cancer 2013 13:36   doi:10.1186/1471-2407-13-36

Open Data