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Table 3 Relation between response with ADC and % difference of size regression

From: Assessment of the percentage of apparent diffusion coefficient value changes as an early indicator of the response of colorectal hepatic metastases to chemotherapy

 ResponseTest of Sig.p
 Non-respondingResponding
(n = 13)(n = 17)
ADC
Pre-chemo
 Mean ± SD.1.14 ± 0.371.01 ± 0.22t = 1.1710.256
 Median1.01.0  
Post-chemo
 Mean ± SD.1.32 ± 0.331.46 ± 0.28t = 1.3050.203
 Median1.301.52  
% difference
 Mean ± SD.16.23 ± 25.3039.94 ± 16.98U = 17.000*< 0.001*
 Median11.038.0  
  1. t, p: t and p values for Student t test for comparing between the two categories
  2. U, p: U and p values for Mann-Whitney test for comparing between the two categories
  3. *Statistically significant at p ≤ 0.05