Fig. 1

Breast cancer specific survival by; a the three risk categories; b the three risk categories with the subgroups; c thesubgroups of the intermediate risk category and d the subgroups of the high risk category. Total = 713, low risk (LR) = 15, intermediate risk(IR) = 396 (subgroup 1 = 321, 2 = 75), high risk subgroup (HR) = 302 (subgroup 1 = 88, 2 = 214); total events = 106; log-rank a p < 0.001; b p < 0.001; c p = 0.232; d p = 0.033