Table 3 10-year survival for women aged 50–64 years with symptomatic and screen-detected invasive breast tumours by a combination of tumour size and nodal status
From: Explaining the difference in prognosis between screen-detected and symptomatic breast cancers
Screen detected | |||||||
---|---|---|---|---|---|---|---|
Symptomatic | 10-year survival (%) | ||||||
Size (mm) and node status | N (%) | 10-year survival (%) | N (%) | Unadjusted for lead time | Difference from symptomatic | Adjusted for lead time | Difference from symptomatic |
<11, Negative | 564 (7.2) | 93.2 | 1505 (25.3) | 95.1 | 1.9 | 91.5 | −1.7 |
11–20, Negative | 2008 (25.7) | 84.1 | 2178 (36.6) | 91.9 | 7.8 | 84.5 | 0.4 |
21–30, Negative | 1073 (13.7) | 74.8 | 521 (8.8) | 85.0 | 10.2 | 76.3 | 1.5 |
31–50, Negative | 433 (5.5) | 59.8 | 135 (2.3) | 77.7 | 17.9 | 68.8 | 9.0 |
51+, Negative | 116 (1.5) | 46.3 | 28 (0.5) | 56.2 | 9.9 | 54.1 | 7.8 |
<11, Positive | 167 (2.1) | 62.4 | 162 (2.7) | 85.7 | 23.3 | 80.4 | 18.0 |
11<21, Positive | 1089 (13.9) | 62.7 | 769 (12.9) | 73.9 | 11.2 | 62.9 | 0.2 |
21<31, Positive | 1135 (14.5) | 47.6 | 403 (6.8) | 64.4 | 16.8 | 56.3 | 8.7 |
31<51, Positive | 835 (10.7) | 36.5 | 196 (3.3) | 51.4 | 14.9 | 38.8 | 2.3 |
51+, Positive | 393 (5.0) | 26.1 | 55 (0.9) | 32.7 | 6.6 | 29.6 | 3.5 |
Overall | 7813 (100.0) | 64.9 | 5952 (100.0) | 85.0 | 20.1 | 77.4 | 12.5 |