Table 1 Baseline characteristics of participants by case/control status
Summary | Control | Case |
|---|---|---|
Age | ||
\(<55\) | 400 (24%) | 400 (24%) |
55–64 | 896 (53%) | 896 (53%) |
65+ | 397 (23%) | 397 (23%) |
Median (IQR)a | 60 (55 to 64) | 60 (55 to 64) |
Site | ||
Site 1 | 1247 (74%) | 1246 (74%) |
Site 2 | 446 (26%) | 447 (26%) |
Model | ||
Lorad Selenia | 1643 (97%) | 1643 (97%) |
Selenia dimensions | 50 (3%) | 50 (3%) |
Cancer | ||
Insitu | 420 (25%) | |
Invasive | 1263 (75%) | |
Unknown | 10 (1%) | |