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Table 2 Comparison of pre-NAC DCE-MRI parameters and ADC values between pCR and non pCR group

From: Early prediction of pathological complete response to neoadjuvant chemotherapy combining DCE-MRI and apparent diffusion coefficient values in breast Cancer

Groups

N

Ktrans† (min-1)

Kep (min-1)

Ve# (%)

IAUC

ADC#

W-in

W-out#

TTP

Non pCR

95

0.18 (0.14, 0.24)

0.69 (0.53, 0.85)

0.28±0.09

0.21 (0.15, 0.26)

0.79±0.16

0.42 (0.28, 0.53)

-0.004±0.02

0.58 (0.58, 0.72)

pCR

24

0.18 (0.12, 0.25)

0.67 (0.49, 0.92)

0.29±0.10

0.25 (0.14, 0.28)

0.83±0.15

0.42 (0.28, 0.56)

0.001±0.02

0.58 (0.58, 0.72)

P Value

 

0.761b

0.866b

0.82a

0.674b

0.22a

0.992b

0.26a

0.458b

  1. Note:#Results are the mean value with standard deviation. Results are the median with interquartile range in parentheses. Pa: independent-samples T test. Pb: Mann–Whitney U test. Abbreviations: N Number, pCR Pathologic complete response