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Table 2 Comparison of ADC and IVIM parameters between group T1 + T2 and group T3 + T4a

From: Intravoxel incoherent motion diffusion-weighted imaging in evaluating preoperative staging of esophageal squamous cell carcinoma

T stage

Case (n)

ADC (×10− 3 mm2/s)

D (×10− 3 mm2/s)

D* (×10− 3 mm2/s)

f

T1 + T2

26

2.55 ± 0.43

1.82 ± 0.39

46.45 (30.30,55.53)

0.45 ± 0.12

T3 + T4a

37

2.27 ± 0.40

1.53 ± 0.33

32.30 (18.60,40.95)

0.37 ± 0.12

t value

 

2.670

3.189

-2.408*

2.538

P value

 

0.010

0.002

0.016

0.014

  1. *: Z value; ADC = apparent diffusion coefficient; IVIM = intravoxel incoherent motion
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