Multivariable Cox proportional hazard model (N = 319) | Hazard ratio | 95% confidence interval | p-value |
---|---|---|---|
First diagnosed at an earlier stage vs. de novo MBC diagnosis | 1.42a | 1.09–1.85 | 0.009 |
Presence of liver metastases vs. No liver metastases | 1.45b | 1.10–1.93 | 0.009 |
Presence of bone metastases vs. No bone metastases | 0.91c | 0.69–1.20 | 0.509 |
Receipt of endocrine therapy vs. No endocrine therapy as part of first line treatment | 0.70d | 0.51–0.95 | 0.024 |
Negative vs. Positive HER2 status | 0.91e | 0.68–1.22 | 0.531 |
Positive vs. Negative HR status | 1.01f | 0.74–1.37 | 0.970 |
Age at MBC diagnosis (years) | 1.00g | 0.99–1.01 | 0.953 |
Time from MBC diagnosis to first line treatment (months) | 0.97h | 0.93–1.01 | 0.154 |