Table 4. Five-year relative survival for female breast cancer by age at diagnosis and histologic grade, ORCC, 1994–1997.
|
Histologic grade |
||||||
|---|---|---|---|---|---|---|
|
G1 (well differentiated) |
G2 (mostly differentiated) |
G3 (poorly differentiated) |
||||
| No | RSR (95% CIa) | No | RSR (95% CIa) | No | RSR (95% CIa) | |
| Age (years) | ||||||
| 0–39 | 11 | 82.5 (46.0,95.3) | 43 | 81.2 (65.7,90.2) | 55 | 57.2 (39.4,71.5) |
| 40–49 | 49 | No deaths | 144 | 85.8 (76.7,91.5) | 130 | 80.9 (70.1,88.1) |
| 50–69 | 181 | 96.5 (85.5,99.2) | 294 | 90.1 (83.8,94.0) | 196 | 79.9 (70.7,86.5) |
| 70 and older | 105 | 96.9 (44.4,99.8) | 193 | 84.5 (72.4,91.6) | 93 | 58.8 (41.9,72.3) |
a
CI=confidence interval.