Table. Period Survival (SEER-18).
| Characteristic | Period survival rate, % | ||||
|---|---|---|---|---|---|
| 1-year | 2-year | 3-year | 4-year | 5-year | |
| Overall | 55.1 | 41.0 | 33.8 | 29.5 | 26.4 |
| Age, y | |||||
| <65 | 57.7 | 42.7 | 35.2 | 30.8 | 27.9 |
| ≥65 | 53.7 | 40.1 | 33.1 | 28.8 | 25.5 |
| Men | 50.4 | 35.6 | 28.6 | 24.6 | 21.9 |
| Women | 60.3 | 46.9 | 39.5 | 34.8 | 31.3 |
| Stage | |||||
| I | 92.8 | 85.2 | 78.2 | 73.1 | 68.4 |
| II | 78.7 | 64.3 | 55.3 | 49.2 | 45.1 |
| IIIA | 66.5 | 47.3 | 37.2 | 30.6 | 26.2 |
| IIIB | 54.3 | 34.3 | 25.4 | 20.5 | 17.3 |
| IV | 31.3 | 16.6 | 10.6 | 7.5 | 5.8 |
| Age <65 y | |||||
| Stage | |||||
| I | 94.6 | 88.9 | 83.2 | 78.7 | 74.9 |
| II | 86.7 | 73.5 | 64.9 | 59.0 | 55.3 |
| IIIA | 73.5 | 54.4 | 43.7 | 37.0 | 32.0 |
| IIIB | 59.2 | 37.8 | 28.9 | 23.5 | 20.4 |
| IV | 36.5 | 20.2 | 13.1 | 9.6 | 7.5 |
| Age ≥65 y | |||||
| Stage | |||||
| I | 92.0 | 83.6 | 76.0 | 70.6 | 65.3 |
| II | 75.1 | 60.2 | 50.9 | 44.7 | 40.0 |
| IIIA | 62.8 | 43.4 | 33.7 | 27.1 | 22.9 |
| IIIB | 51.0 | 31.9 | 23.0 | 18.2 | 15.1 |
| IV | 28.0 | 14.3 | 9.0 | 6.2 | 4.6 |
Abbreviation: SEER, Surveillance, Epidemiology, and End Results.