Table 1 Clinicopathological features of patients with advanced colorectal cancer.
Clinicopathological factor | Patients with advanced CRC | ||
|---|---|---|---|
(n = 1926) | |||
n | % | ||
Sex | Male | 1261 | 65.5 |
Female | 665 | 34.5 | |
Age | Median (years) | 64 | - |
Overall survival | Median | 494 | - |
(95% CI) (days) | (469–514) | ||
WHO performance status | 0 | 900 | 46.7 |
1 | 885 | 46.0 | |
2 | 141 | 7.3 | |
Site of primary tumour | Left colon | 493 | 25.6 |
Right colon | 514 | 26.7 | |
Rectosigmoid junction | 283 | 14.7 | |
Rectum | 609 | 31.6 | |
Unknown colon | 6 | 0.3 | |
Multiple sites | 21 | 1.1 | |
Status of primary tumour | Resected | 1022 | 53.1 |
Unresected | 904 | 46.9 | |
Stage | 1 | 0 | 0.0 |
2 | 0 | 0.0 | |
3 | 0 | 0.0 | |
4 | 1926 | 100.0 | |
Timing of metastases | Metachronous | 575 | 29.9 |
Synchronous | 1351 | 70.1 | |
Type of metastases | Liver only | 426 | 22.1 |
Liver + others | 1019 | 52.9 | |
Non-livera | 479 | 24.9 | |
None | 2 | 0.1 | |
Number of metastatic sites | 1 | 690 | 35.8 |
2 | 758 | 39.4 | |
≥3 | 478 | 24.8 | |
