Table 1.
Demographics1
| Benign | Precancer | Cancer | |
|---|---|---|---|
| Mean ± SD | |||
| Sample size | 8 | 8 | 14 |
| Time from sample collection to analysis (years) | 3.02 ± 1.04 | 4.19 ± 2.40 | 2.24 ± 0.49 |
| Participant age | 42.4 ± 3.3 | 45.5 ± 4.5 | 43.7 ± 4.4 |
| Age at menarche | 13.1 ± 1.2 | 12.6 ± 1.0 | 12.6 ± 1.6 |
| BMI | 30.7 ± 6.9 | 30.7 ± 10.0 | 27.4 ± 9.1 |
| MIS (ng/mL) | 1.07 ± 0.90 | 0.30 ± 0.50 | 0.58 ± 0.80 |
| ln(MIS (ng/mL) | -0.27 ± 0.93 | -2.91 ± 2.24 | -2.31 ± 2.55 |
| Frequency (%) | |||
| 1st degree relative with breast cancer | 1 (12.5%) | 3 (37.5%) | 2 (14.3%) |
| Current OCP use | 1 (12.5%) | 0 (0%) | 2 (14.3%) |
| History of OCP use | 4 (50%) | 6 (75%) | 12 (85.7%) |
1: Results for time to sample collection, participant age, age at menarche, body mass index (BMI), and mullerian inhibiting substance (MIS) are mean +/- standard deviation. Results for 1st degree relative with breast cancer, current and history of oral contraceptive pill (OCP) use are frequency (%).