TABLE 3.
Multivariable logistic model for rapid relapse versus no rapid relapse triple-negative breast cancers
| Variable | OR | 95% CI | p value |
|---|---|---|---|
|
| |||
| Stage | |||
| Local | Ref | Ref | Ref |
| Regional | 4.36 | (3.77, 5.03) | < 0.001 |
| Race/ethnicity | |||
| Non-Hispanic white | Ref | Ref | Ref |
| Non-Hispanic black | 1.22 | (1.05, 1.43) | 0.01 |
| Hispanic | 0.86 | (0.70, 1.05) | 0.14 |
| Non-Hispanic other | 0.69 | (0.52, 0.92) | 0.01 |
| Insurance type | |||
| Uninsured | 1.74 | (1.31, 2.32) | < 0.001 |
| Medicaid | 1.53 | (1.31, 1.79) | < 0.001 |
| Insured (non-Medicaid/UK) | Ref | Ref | Ref |
| % Less than high school (Mean (95% CI)) | 1.01 | (0.99, 1.02) | 0.44 |
| Median household income (Mean (95%o CI)) | 1.00 | (1.00, 1.00) | 0.95 |
| NCI census tract-level index | 1.00 | (0.99, 1.00) | 0.35 |
| Marital status | |||
| Single | 1.19 | (1.01, 1.39) | 0.03 |
| Married/partnered | Ref | Ref | Ref |
| Separated/divorced | 1.15 | (0.95, 1.38) | 0.15 |
| Widowed | 1.30 | (0.95, 1.78) | 0.10 |
| Age at diagnosis | |||
| ≤40 | 0.94 | (0.78, 1.13) | 0.49 |
| 41–50 | 0.96 | (0.83, 1.12) | 0.63 |
| 51–60 | Ref | Ref | Ref |
| 61–64 | 1.02 | (0.84, 1.24) | 0.86 |
| Grade | |||
| Well differentiated | 0.33 | (0.15, 0.77) | 0.01 |
| Moderately differentiated | 0.71 | (0.58, 0.87) | 0.001 |
| Poorly differentiated | Ref | Ref | Ref |
| Histology | |||
| Ductal | Ref | Ref | Ref |
| Lobular | 2.58 | (1.48, 4.51) | < 0.001 |
| Mixed | 1.32 | (0.98, 1.80) | 0.07 |
| Other | 1.39 | (1.12, 1.73) | 0.003 |
| Surgery | |||
| No surgery | 2.35 | (1.77, 3.11) | < 0.001 |
| BCS | 0.89 | (0.72, 1.11) | 0.31 |
| Mastectomy | Ref | Ref | Ref |
| Axillary surgery | |||
| No axillary surgery | 1.44 | (1.13, 1.83) | 0.003 |
| Axillary surgery | Ref | Ref | Ref |
| Radiation | |||
| No | Ref | Ref | Ref |
| Yes with BCS | 0.44 | (0.34, 0.57) | < 0.001 |
| Yes with mastectomy | 1.15 | (0.98, 1.35) | 0.09 |