Table 4.
Five-year survival rate of CRC patients by stage at diagnosis, stratified by treatment modalities.
| Stages at diagnosis | 5-year survival rate (%) | a p-Value | |||||
|---|---|---|---|---|---|---|---|
| None n = 1,016 |
Surgery n = 2,013 |
Chemotherapy n = 540 |
Radiotherapy n = 117 |
Others n = 221 |
Combined n = 1,768 |
||
| 0 | 47.6 | 18.1 | 75.0 | – | – | 11.3 | 0.147 |
| I | 4.9 | 21.9 | – | – | – | 37.3 | 0.007 |
| II | 38.1 | 26.5 | – | – | – | 30.9 | <0.001 |
| III | 14.8 | 15.6 | 13.2 | – | – | 19.5 | <0.001 |
| IV | 8.9 | 2.7 | – | – | 11.2 | 4.5 | <0.001 |
CRC, colorectal cancer.
a Gehan–Breslow–Wilcoxon test, significant at p < 0.05 (bold).