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Table 3 LNM vs. Non-LNM

From: Arterial spin labeling and diffusion-weighted imaging for identification of retropharyngeal lymph nodes in patients with nasopharyngeal carcinoma

 

Short axis

(mm)

Long axis

(mm)

BF

(mL/min/100 g)

ADC

(×10−3 mm2/s)

D

(×10−3 mm2/s)

D*

(×10−3 mm2/s)

f

P

<0.001

<0.001

<0.001

<0.001

0.107

0.269

0.211

t/z

6.939

6.502

7.623a

−3.528

−1.610

−1.105

−1.25

Cutoff

≥5

≥7

>54

≤0.95

   

AUC

(95% CI)

0.937

(0.893–0.981)

0.913

(0.856–0.969)

0.910

(0.844–0.977)

0.727

(0.629–0.811)

   
  1. ADC apparent diffusion coefficient, AUC area under the curve, BF blood flow, D pure molecular diffusion; D* pseudo-diffusion coefficient, f perfusion fraction, LNM lymph node metastasis, 95% CI 95% confidence interval
  2. aComparison was performed by an independent t-test
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Cancer Imaging

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