Table 2 Distribution of breast cancer surgical treatment by year of diagnosis and method of detection
Surgical treatment (row %) | ||||||
|---|---|---|---|---|---|---|
Number of cases (%) | Conservative | Mastectomy | Not performed | Not reported | ||
Year of diagnosis | ||||||
1997 | 4031 | 17.3 | 53.8 | 39.6 | 3.5 | 3.1 |
1998 | 4402 | 18.9 | 58.7 | 36.3 | 3.1 | 1.9 |
1999 | 5130 | 22.0 | 62.1 | 33.5 | 2.5 | 1.9 |
2000 | 5074 | 21.8 | 64.0 | 31.9 | 2.7 | 1.5 |
2001 | 4673 | 20.0 | 65.6 | 30.1 | 2.6 | 1.7 |
Total | 23 310 | 100.0 | 61.1 | 34.1 | 2.8 | 2.0 |
Method of detection | ||||||
All invited | 9953 | 42.7 | 69.9 | 26.9 | 1.8 | 1.4 |
SD at first test | 3910 | 16.8 | 75.7 | 23.1 | 0.5 | 0.7 |
SD at subsequent tests | 1987 | 8.5 | 83.0 | 16.0 | 0.5 | 0.6 |
NSD with a previous test | 1647 | 7.1 | 65.9 | 31.1 | 1.8 | 1.2 |
NSD never-respondent | 2409 | 10.3 | 52.5 | 39.0 | 5.2 | 3.3 |
Not-yet-invited | 13 357 | 57.3 | 54.5 | 39.4 | 3.6 | 2.5 |