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. 2010 Jun 1;92(7):562–568. doi: 10.1308/003588410X12699663903476

Figure 1.

Figure 1

(A) Kaplan–Meier analysis for local recurrence-free survival in patient cohort dichotomized into Nottingham Prognostic Index (NPI) groups using two categories: good category, NPI groups 1–3 and adverse category, NPI groups 3–6. The good NPI category had significantly lower ipsilateral breast tumour recurrence compared to the adverse NPI category as assessed using log-rank test (P = 0.0003). (B) Kaplan–Meier curves for breast cancer specific survival for individual NPI groups. The poor prognostic NPI groups were significantly associated with poorer breast cancer specific survival (log rank test, P < 0.0001). (C) Kaplan–Meier curves for breast cancer-specific survival comparing patients who had ipsilateral breast tumour recurrence (IBTR) with those who were IBTR-free. Patients who experienced IBTR had a shorter median breast cancer-specific survival time than those who were IBTR-free (50 months vs 57 months; log rank test, P < 0.0001).