Table 3 Poisson regression model predicting number of lines of chemotherapy in patients with MBC.
From: Effects of socioeconomic status and race on survival and treatment in metastatic breast cancer
Incidence Rate Ratio (IRR) | P-value | |
|---|---|---|
Age at diagnosis | 0.98 | <0.001 |
Race = Black, Ref = white | 0.81 | 0.002 |
SES = low SES, Ref = High SES | 0.91 | 0.005 |
Diagnosis of MBC after 2010, Ref before 2010 | 0.99 | 0.79 |
Subtype = ER + /HER2-, Ref ER-/HER2+ | 0.84 | 0.002 |
Subtype = ER + /HER2 + , Ref ER-/HER2+ | 1.02 | 0.75 |
Subtype = Triple negative, Ref ER-/HER2+ | 0.99 | 0.9 |