Table 2 Multivariate analysis of survival for IDO1 protein in the Yale hormone-receptor positive breast cancer collection
| 20-year OS | |||
|---|---|---|---|
| HR | (95% C.I.) | P value | |
| Age > 50 years | 2.26 | (1.59-3.39) | < 0.0001 |
| Tumor size >2 cm | 2.11 | (1.59-2.81) | < 0.0001 |
| Lymph node positive status | 1.43 | (1.00-2.01) | 0.05 |
| TNM Stage III | 1.02 | (0.67-1.56) | 0.91 |
| IDO1-high status | 1.57 | (1.19-2.09) | 0.002 |