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.