Table 1 Prognostic significance of 5-year DFS in current staging category and modified staging category
From: Prognostic value of tumor necrosis based on the evaluation of frequency in invasive breast cancer
Variables | Training Set | Validation Set | ||
|---|---|---|---|---|
HR (95%CI) | P Value | HR (95%CI) | P Value | |
Current staging category | ||||
I | Reference | Reference | ||
II | 1.827 (1.024–3.258) | 0.041 | 1.784 (0.939–3.389) | 0.077 |
III | 5.372 (2.974–9.704) | < 0.0001 | 4.504 (2.372–8.552) | < 0.0001 |
Modified staging category | ||||
I-n (I with no high-risk TN) | Reference | |||
II-n (I with high-risk TN + II with no high-risk TN) | 1.973 (1.014–3.839) | 0.045 | 1.928 (0.945–3.934) | 0.071 |
III-n (II with high-risk TN + III) | 6.011 (3.136–11.523) | < 0.0001 | 4.953 (2.468–9.940) | < 0.0001 |