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Table 4 Statistical results (P-value) of the non parametrical test (* Kruskal-Wallis and ‡ Mann-Whitney U test) used to compare changes in the kinetic parameters, tumor size in MRI, and clinical findings, between groups of patients defined by final pathologic findings (Sataloff Grade)

From: Accuracy of perfusion MRI with high spatial but low temporal resolution to assess invasive breast cancer response to neoadjuvant chemotherapy: a retrospective study

 

Ktrans

Ve

Size in MRI

Clinical findings

Sataloff Grade

AIF theoretical p-value

AIF measured p-value

AIF theoretical p-value

AIF measured p-value

p-value

p-value

A vs B vs C+D

0,5467

0,0398

0,0799

0,0092

0,4643

0,4643

A+B vs C+D

0,9095

0,0107

0,0474

0,0059

0,4244

0,4421

A vs B+C+D

0,3173

0,1096

0,0532

0,0077

0,2244

0,0462