Nottingham Prognostic Index Plus (NPI+): a modern clinical decision making tool in breast cancer.

Br J Cancer · 2014 · PMC3974073 · PMID 24619074

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highly significantno p-value reported

Kaplan–Meier analysis showed that using formulae, based on N, Sz, St, M, LVI and PgR, for each biological BC class provides improved and highly significant patient outcome stratification compared with the traditional NPI ( Figure 1A–G ).

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