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Table 4 The ROC curve of rest and stimulated ADCs

From: Salivary gland function in nasopharyngeal carcinoma before and late after intensity-modulated radiotherapy evaluated by dynamic diffusion-weighted MR imaging with gustatory stimulation

Parameters

PG

SMG

SLG

ADCrest, pre-post

 cutoff value(×10−3 mm2/s)

1.01

1.20

1.08

 sensitivity

0.667

0.933

0.900

 specificity

0.867

1.000

0.967

 Youden index

0.533

0.933

0.867

 AUC

0.813

0.989

0.964

ADCstim, pre-post

 cutoff value(×10−3 mm2/s)

1.10

1.32

1.32

 sensitivity

0.800

1.000

0.867

 specificity

0.800

0.933

0.867

 Youden index

0.600

0.933

0.733

 AUC

0.824

0.989

0.949

  1. ADCrest,pre-post the rest ADCs before and after RT, ADCstim,pre-post the maximum stimulated ADCs before and after RT.
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BMC Oral Health

ISSN: 1472-6831

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