| World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access |
| Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc |
| Journal website http://www.wjon.org |
Original Article
Volume 4, Number 6, December 2013, pages 241-247
TNBC vs. Non-TNBC: A Five-Year Retrospective Review of Differences in Mean Age, Family History, Smoking History and Stage at Diagnosis at an Inner City University Program
Table
| Possible risk factors | TNBC (%) | Non-TNBC (%) | |
|---|---|---|---|
| Mean age (years) | 59.87 ± 15.67 | 60.09 ± 13.98 | P = 0.9272 |
| Ethnicity | P = 0.004; OR = 2.755 | ||
| Black | 58.97 | 39.27 | |
| White | 35.90 | 57.76 | |
| Chinese | 2.56 | 0.99 | |
| Others | 2.57 | 1.98 | |
| Smoking history (past or present) | |||
| Yes | 20.51 | 27.72 | P = 0.4385 |
| No | 71.79 | 61.72 | |
| Family history | |||
| Yes | 30.77 | 33.33 | P = 0.8384 |
| No | 51.28 | 51.82 | |
| Unknown | 17.69 | 14.85 | |
| Stage at diagnosis | |||
| Stage 0 | 15.79 | 11.37 | P = 0.4332 |
| Stage 1 | 34.21 | 30.98 | P = 0.6890 |
| Stage 2 | 28.98 | 37.25 | P = 0.3205 |
| Stage 3 | 18.42 | 17.25 | P = 0.8591 |
| Stage 4 | 3.63 | 3.14 | P = 0.8651 |
| Chi-square test (χ2) | 0.855 |