The Black Women: Etiology and Survival of Triple-negative Breast Cancers (BEST) Study consists of Black women diagnosed with breast cancer in Florida or Tennessee at or below age 50 between the years 2009-2014. Recruitment into the BEST Study is facilitated through the state cancer registries and is on-going.
An outline of the current cohort is below:
| BEST Study Total Participants = 653 | |
|---|---|
| Mean age at enrollment (years) | 45 |
| Mean age at first breast cancer diagnosis (years) | 42 |
| Recruited through Florida Cancer Registry | 551 |
| Recruited through Tennessee Cancer Registry | 102 |
| Baseline questionnaire data available | 601 |
| Saliva samples received | 559 |
| Genetic testing of DNA completed | 422 |
| Breast cancer tumors received | 393 |
| Tumor sequencing of RNA completed | 222 |
| Clinical data available | 486 |