Table 1.
Archived breast ductal carcinoma in situ (DCIS) specimens. DCIS specimen information includes case-control status, age of blocks, age of patients and time to breast cancer development. Cases and controls were matched on age at diagnosis, and controls were individuals who did not develop breast cancer within the same time interval.
| Cases | Tissue Age (Year) | * Race Ethnic | Age at DCIS | ** Time to BC (Months) | Controls | Tissue Age (Year) | * Race Ethnic | Age at DCIS |
|---|---|---|---|---|---|---|---|---|
| I101G | 9 | W/NH | 62 | 80 | I101Y | 9 | W/NH | 62 |
| I103G | 8 | W/NH | 64 | 8 | I103Y | 8 | W/NH | 64 |
| I104Y | 7 | W/H | 79 | 12 | I104G | 6 | W/H | 78 |
| I202G | 8 | B/NH | 84 | 16 | I202Y | 8 | W/NH | 83 |
| I203G | 8 | B/NH | 50 | 78 | I203Y | 8 | W/NH | 50 |
| I204G | 13 | B/NH | 47 | 66 | I204Y | 13 | W/NH | 47 |
| I205G | 10 | B/NH | 68 | 74 | I205Y | 10 | U/NH | 68 |
| I302Y | 18 | U/NH | 62 | 82 | I302G | 17 | U/NH | 64 |
| I303Y | 26 | W/NH | 56 | 260 | I303G | 25 | U/NH | 56 |
| I306G | 22 | U/NH | 49 | 13 | I306Y | 24 | A/NH | 45 |
| I401G | 3 | W/NH | 77 | 10 | I401Y | 3 | W/NH | 75 |
| I403Y | 12 | W/NH | 42 | 35 | I403G | 12 | W/NH | 43 |
| I404G | 9 | W/NH | 76 | 59 | I404Y | 10 | W/NH | 75 |
| I501Y | 14 | A/NH | 46 | 99 | I501G | 15 | W/NH | 45 |
| I504G | 22 | W/NH | 48 | 168 | I504Y | 22 | W/NH | 47 |
| I505G | 28 | W/NH | 41 | 97 | I505Y | 28 | W/NH | 41 |
| I602Y | 6 | B/NH | 70 | 45 | I602G | 7 | W/NH | 70 |
| I604G | 11 | W/NH | 83 | 8 | I604Y | 12 | W/NH | 83 |
| I605G | 12 | W/NH | 74 | 31 | I605Y | 12 | W/H | 75 |
| I606Y | 12 | B/NH | 67 | 57 | I606G | 12 | W/NH | 67 |
| I607G | 11 | B/NH | 78 | 99 | I607Y | 12 | W/H | 78 |
| I608Y | 6 | B/NH | 41 | 49 | I608G | 7 | U/NH | 41 |
* Race is defined by the following lettering: W for white/caucasian, B for Black/African-American, A for Asian, U for unknown, Ethnic background is defined by H for Hispanic/Latino or NH for Non-Hispanic/Latino. ** Time between diagnosis of DCIS and Breast cancer (BC) in years.