Table 1.
Baseline characteristics of BC cases and controls.
| Variable | Cases | Controls* |
|---|---|---|
| Subjects with genotypes | 1,500 | 2,473 |
| Women with carcinoma in situ | 108a | 206a |
| Incomplete matched sets | 123 | 125 |
| Complete match-sets excluding carcinoma in situ | 1,269 | 2,194 |
| Pre-menopausal women | 388 | 738 |
| Peri-menopausal women | 138 | 221 |
| Post-menopausal women | 974 | 1,514 |
| Mean age at blood donation | 55.2 (40.7-67.5)b | 54.8 (40.1-68.1)b |
| Mean age at diagnosis | 57.5 (43.5-70.0)b | - |
| Height | 161.4 (151.0-172.0)b | 160.7 (150.0-172.0)b |
| Weight | 67.6 (51.7-89.0)b | 67.3 (51.0-89.5)b |
| Body mass index | 26.0 (20.3-34.5)b | 26.1 (20.1-35.0)b |
a Subjects with carcinomas in situ and their matched controls were not included in the BC risk analysis
b Mean (5th - 95th percentiles)
*52 duplicated controls are included in this total