Table 2 10-year survival for women aged 50–64 years with symptomatic and screen-detected invasive breast tumours by size of tumour in five categories
From: Explaining the difference in prognosis between screen-detected and symptomatic breast cancers
Screen detected | |||||||
|---|---|---|---|---|---|---|---|
Symptomatic | 10-year survival (%) | ||||||
Size (mm) | N (%) | 10-year survival (%) | N (%) | Unadjusted for lead time | Difference from symptomatic | Adjusted for lead time | Difference from symptomatic |
<11 | 971 (10.5) | 85.4 | 2125 (30.2) | 94.3 | 8.9 | 90.9 | 5.5 |
11<21 | 3688 (40.0) | 76.3 | 3442 (48.8) | 87.2 | 10.9 | 80.4 | 4.1 |
21<31 | 2549 (27.6) | 60.5 | 1029 (14.6) | 77.2 | 16.7 | 69.3 | 8.8 |
31<51 | 1426 (15.5) | 45.1 | 358 (5.1) | 63.3 | 18.2 | 53.7 | 8.6 |
51+ | 593 (6.4) | 31.1 | 93 (1.3) | 41.3 | 10.2 | 38.8 | 7.7 |
Overall | 9227 (100) | 65.3 | 7047 (100) | 85.9 | 20.6 | 79.8 | 14.5 |
