Table 3.
CRC-specific Survival by Patients’ Clinical Characteristics (2009–2017)
| 1-year | 3-year | 5-year | |||||
|---|---|---|---|---|---|---|---|
| Overall | N | % | (95% CI) | % | (95% CI) | % | (95% CI) |
| Tumor Site | |||||||
| Right colon | 184 | 81.16 | (73.46, 86.83) | 61.16 | (49.09, 69.06) | 48.66 | (35.19, 61.84) |
| Left colon | 434 | 87.00 | (83.09, 90.06) | 69.61 | (62.99, 75.26) | 60.00 | (51.38, 67.68) |
| Colon-non specified | 160 | 76.84 | (69.98, 82.33) | 60.85 | (52.00, 68.56) | 50.44 | (41.94, 59.81) |
| Rectum | 234 | 82.94 | (76.89, 87.53) | 48.07 | (29.00, 64.83) | 20.61 | (1.82, 53.63) |
| Tumor grade* | |||||||
| Well differentiated | 33 | 85.91 | (66.52, 94,44) | 55.75 | (26.94, 77.08) | 37.17 | (12.44, 62.51) |
| Moderately differentiated | 774 | 87.48 | (84.71, 89.78) | 69.73 | (64.71, 74.18) | 57.51 | (50.85, 63.59) |
| Poorly differentiated/Anaplastic | 67 | 62.48 | (48.36, 73.75) | 43.64 | (26.65, 59.47) | – | – |
| Unknown | 138 | 66.22 | (56.6, 74.16) | 49.64 | (38.16, 61.11) | 34.64 | (19.75, 51.00) |
| Stage at diagnosis* | |||||||
| Localized | 227 | 93.67 | (89.33, 96.29) | 86.12 | (77.55, 91.59) | 79.85 | (68.31, 87.56) |
| Regional | 441 | 92.66 | (89.46, 94.92) | 77.92 | (83.54, 71.19) | 63.25 | (53.11, 71.78) |
| Distant metastasis | 338 | 63.29 | (57.36, 68.63) | 44.33 | (37.65, 51.11) | 20.31 | (12.96, 28.82) |
| Unknown | 36 | 69.44 | (43.89, 85.60) | 38.88 | (14.67, 62.82) | – | – |
| Surgery | |||||||
| Yes | 426 | 92.63 | (89.62, 94.79) | 75.98 | (71.24, 80.77) | 62.78 | (55.23, 69.42) |
| No | 586 | 74.25 | (69.36, 78.51) | 53.44 | (46.23, 61.12) | 40.09 | (31.35, 49.62) |
| Chemotherapy | |||||||
| Yes | 411 | 90.74 | (87.39, 93.23) | 67.94 | (61.71, 73.38) | 52.92 | (45.19, 60.06) |
| No | 601 | 77.17 | (73.15, 81.67) | 63.69 | (57.38, 69.33) | 55.08 | (46.35, 62.98) |
| Radiotherapy | |||||||
| Yes | 95 | 87.81 | (79.04, 93.06) | 56.83 | (33.31, 74.79) | 38.97 | (15.54, 62.66) |
| No | 917 | 82.31 | (79.45, 84.81) | 64.83 | (61.37, 68.92) | 54.04 | (45.39, 57.34) |
* Indicate no pateints alive to calcuate survival rate for survival year period
* Indicate no pateints alive to calcuate survival rate for survival year period