Table 2.
Overall survival of 2,054 women with breast cancer according to the stage at diagnosis
| Stage | Meana Overall Survival (95% CI) | Five-years Overall Survival (SD) | Ten-years Overall Survival (SD) |
|---|---|---|---|
| Stage 0 (in situ) | 9.7 years (9.5–9.9) | 95.2% (1.2%) | 91.8% (1.8%) |
| Stage I | 9.5 years (9.3–9.6) | 92.6% (1.2%) | 81.9% (4.4%) |
| Stage II | 9.1 years (8.9–9.4) | 89.4% (1.4%) | 79.8% (2.8%) |
| Stage III | 7.6 years (7.2–8.0) | 71.1% (2.6%) | 49.0% (8.3%) |
| Stage IV | 5.4 years (5.0–5.8) | 47.1% (2.5%) | 36.8% (3.3%) |
95% CI 95% Confidence Interval, S.D. Standard Deviation
aThe median survival was over 10 years but undetermined in stages 0 (in situ), I, II, III, and overall. Stage IV's median survival was 4.0 years (3.0–5.1)