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Table 6 The distribution of density categories and HER2 status in the patients who were in the original intermediate category of the NPI compared to their new distribution in the K-NPI

From: Prognostic contribution of mammographic breast density and HER2 overexpression to the Nottingham Prognostic Index in patients with invasive breast cancer

  Density HER2
Low risk VLD 3 (4.5 %) HER2+ 25 (37.9 %)
MID 63 (95.5 %) HER2– 41 (62.1 %)
Intermediate risk VLD 24 (53.3 %) HER2+ 24 (53.3 %)
MID 21 (46.7 %) HER2– 21 (46.7 %)
High risk VLD 16 (100 %) HER2+ 11 (68.8 %)
MID 0 (0 %) HER2– 5 (31.3 %)