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. 2017 May 27;8(43):74096–74105. doi: 10.18632/oncotarget.18242

Table 1. Correlation analysis of different variables between molecular subtypes and Nottingham Prognostic Index (NPI).

NPI score Grade Tumor Node
Molecular subtypes r 0.138 −0.212 0.005 −0.026
P value 0.001 0.000 0.891 0.540
ER r 0.142 −0.233 0.027 −0.041
P value 0.001 0.000 0.471 0.330
PR r 0.139 −0.176 0.056 −0.024
P value 0.001 0.000 0.132 0.567
HER2 r 0.000 0.063 0.023 0.003
P value 0.999 0.141 0.553 0.944
Ki67 r −0.120 0.197 −0.059 −0.012
P value 0.004 0.000 0.119 0.779