|
Multivariate analysis for relapse-free survival in the test set cohort of baseline prognostic factors |
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| Factor |
Hazard ratio (95% CI) |
P |
|
|
||
| Grade (3 versus 1 or 2) |
1.20 (0.84–1.70) |
0.3 |
| Tumor size, cm |
0.03 |
|
| >2–5 versus 0–2 |
1.62 (1.12–2.33) |
0.01 |
| >5 versus 0–2 |
1.23 (0.71–2.12) |
0.5 |
| Pathological ER statusa |
0.53 (0.37–0.76) |
0.0005 |
| Lymphovascular invasion |
1.32 (0.84–2.09) |
0.2 |
| Percentage of positive nodes |
0.09 |
|
| >50–99 versus 0–50 |
1.22 (0.87–1.73) |
0.3 |
| 100 versus 0–50 |
1.62 (1.05–2.50) |
0.03 |
|
Multivariate Cox regression analysis was performed inclusive of those factors reaching statistical significance in univariate analysis. ER, estrogen receptor; CI, confidence interval. aPathological ER status at diagnosis. | ||
Crabb et al. Breast Cancer Research 2008 10:R6 doi:10.1186/bcr1847 |
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