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Table 3 ROC curve analyses of the L/G ratio of FDG, NH3, DOPA, and the combination of NH3 and DOPA in differentiating TuR and TrE

From: Identify glioma recurrence and treatment effects with triple-tracer PET/CT

PET index

AUC

SE of AUC

P values

95% CI

   

lower

upper

Optimal cutoff

Specificity%

Sensitivity%

FDG

.726

.091

.056

.547

.905

1.260

100

46.2

NH3

.803

.081

.011

.644

.962

1.515

100

57.7

DOPA

.938

.040

.000

.859

1.000

2.165

100

84.6

DOPA + NH3

.952

.035

.000

.883

1.000

0.832

100

80.8

  1. AUC area under curve, SE standard error, TuR tumour recurrence, TrE treatment effects
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BMC Medical Imaging

ISSN: 1471-2342

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