Table 3.
Univariate Cox analysis (overall and organ metastasis group).
| Overall (n = 2072) | Organ metastasis group (n = 870) | |||
|---|---|---|---|---|
| Factor | X2/f | P value | X2/f | P value |
| Organ metastasis | 669.482 | P<0.001 | – | – |
| Sex | 30.833 | P<0.001 | 8.614 | P=0.003 |
| Race | 2.748 | P=0.253 | 1.180 | P=0.554 |
| Primary site | 89.510 | P<0.001 | 4.720 | P=0.317 |
| Grade | 129.045 | P<0.001 | 4.661 | P=0.324 |
| Laterality | 14.506 | P=0.002 | 3.365 | P=0.339 |
| T | 345.769 | P<0.001 | 18.45 | P=0.002 |
| N | 419.014 | P<0.001 | 15.007 | P=0.005 |
| M | 682.722 | P<0.001 | 3.531 | P=0.171 |
| Primary site surgery | 603.674 | P<0.001 | 24.512 | P<0.001 |
| Radiotherapy + surgery | 0.847 | P=0.357 | 29.495 | P<0.001 |
| Radiotherapy | 20.858 | P<0.001 | 33.700 | P<0.001 |
| Chemotherapy | 3.692 | P=0.055 | 188.354 | P<0.001 |
| Bone metastasis | 269.658 | P<0.001 | 7.536 | P=0.01 |
| Brain metastasis | 168.078 | P<0.001 | 4.739 | P=0.059 |
| Liver metastasis | 392.654 | P<0.001 | 32.561 | P<0.001 |
| Lung metastasis | 141.120 | P<0.001 | 1.381 | P=0.699 |
| Insurance | 9.701 | P=0.008 | 3.724 | P=0.155 |
| Marital status Age |
8.654 9.66 |
P=0.124 P=0.002 |
10.027 17.28 |
P=0.074 P<0.001 |
In the overall sample, sex (P 0.000), primary site (P 0.000), histological grade (P 0.000), laterality (P 0.000), T (P 0.000), N (P 0.000), M (P 0.000), primary site surgery (P 0.000), radiotherapy (P 0.000), insurance (P 0.008), organ metastasis (P 0.000), liver metastasis (P 0.000), brain metastasis (P 0.000), bone metastasis (P 0.000), intrapulmonary metastasis (P 0.000), and age (P 0.002) were all factors affecting survival time.
A total of 870 patients with organ metastasis were analyzed for prognostic factors. By Kaplan–Meier analysis, sex (P 0.003), T (P 0.002), N (P 0.005), primary site surgery (P 0.000), radiotherapy (P 0.000), chemotherapy (P 0.000), age (P 0.000), bone metastasis (P 0.01), and liver metastasis (P 0.000) were all factors affecting survival time.