In the multivariate analyses, the PVN classification showed a significant trend for the HR, 95% CI, and the P -values for disease-free survival when compared with the other prognostic classification systems, and only the NPI classification also showed a significant trend for the HR, 95% CI, and the P -values for disease-free survival ( Table 3 ).
← all excerpts
Primary tumour-vessel tumour-nodal tumour classification for patients with invasive ductal carcinoma of the breast.
2
—
—
The sentences
On the other hand, the modified NPI classification showed a marginally significant increase in the HRs of tumour recurrence in the intermediate-high, and high-risk groups, but failed to significantly increase the HRs of tumour death in these groups.