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Table 4 Relation between RECIST response and mean pre-, post-chemotherapy ADC, and % difference of ADC (n = 30)

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

ADC

RECIST response

Test of Sig.

p

 

PR (n = 15)

CR (n = 2)

PD (n = 5)

SD (n = 8)

  

Mean pre-chemo

0.98 ± 0.21

1.26 ± 0.25

0.98 ± 0.33

1.25 ± 0.38

F = 2.001

0.139

Mean post-chemo

1.43 ± 0.27

1.74 ± 0.30

1.21 ± 0.29

1.39 ± 0.36

F = 1.540

0.228

Mean percentage difference

42.40 ± 18.07

36.50 ± 3.54

25.80 ± 39.58

12.63 ± 8.48

H = 16.280*

0.001*

  1. F, p: F and p values for ANOVA test
  2. H, p: H and p values for Kruskal-Wallis test
  3. *Statistically significant at p ≤ 0.05