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Table 3 DW-MRI parameters between patients with pCR-T and non-pCR-T

From: Diffusion-weighted MRI and 18F-FDG PET/CT in assessing the response to neoadjuvant chemoradiotherapy in locally advanced esophageal squamous cell carcinoma

Parameters

pCR-T (n = 12)

non-pCR-T (n = 23)

P value

Mean (IQR)

ADCpre (× 103 mm2/s)

1.38(1.19, 1.60)

1.38(1.07, 1.57)

0.57

ADCduring (× 10−3 mm2/s)

2.70(2.57, 2.93)

2.13(1.71, 2.32)

0.00

ADCpost (× 10−3 mm2/s)

2.82(2.75, 2.90)

2.46(2.26, 2.84)

0.02

ΔADCduring

0.89(0.63,1.27)

0.48(0.37, 0.80)

0.00

ΔADCpost

1.14(0.81,1.29)

0.92(0.61, 1.24)

0.41

  1. P values less than 0.05 are indicated in bold italics
  2. DW-MRI diffusion-weighted magnetic resonance imaging; pCR-T complete response of primary tumor; ADC apparent diffusion coefficient; IQR interquartile range