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Table 4 Comparison of percent changes in post-treatment parameters between patients with and without clinical complete response to chemotherapy

From: Diffusion-weighted MRI-Derived ADC and tumor volume as predictive imaging markers for neoadjuvant chemotherapy response in muscle-invasive bladder cancer

Post-treatment Variables

Patient group

Between-group difference

P

CR

No CR

ΔADC%single−slice

54.84 (9.71)

23.54 (6.78)

31.30 (11.60)

0.018

ΔADC%whole−lesion

44.94 (10.64)

18.16 (5.90)

26.78 (12.17)

0.042

ΔTV%

-77.49 (9.23)

-62.69 (7.81)

-14.80 (12.27)

0.042

 

OR

No OR

  

ΔADC%single−slice

53.88 (7.60)

14.16 (7.05)

39.72 (10.42)

< 0.001

ΔADC%whole−lesion

43.41 (8.13)

9.76 (5.81)

33.64 (10.35)

0.003

ΔTV%

-81.27 (6.46)

-51.48 (9.92)

-29.79 (11.38)

0.004

  1. CR, complete response; OR, overall response; ADC, apparent diffusion coefficient; TV, tumor volume; ΔADC% and ΔTV% were reported as mean % (SEM)