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Table 4 Comparison of ROC curve between Grade 2 and Grade 3 CSC

From: Comparative analysis of the value of amide proton transfer-weighted imaging and diffusion kurtosis imaging in evaluating the histological grade of cervical squamous carcinoma

Parameters

AUC

Threshold

P-value

Sensitivity(%)

Specificity (%)

95% CI

MTRasym (%)

0.871

3.065

<  0.001

76.2%

83.3%

0.708–0.962

MK

0.855

0.925

0.001

85.7%

66.7%

0.689–0.953

MD (× 10− 3 mm2/s)

0.845

1.015

0.001

81.0%

75.0%

0.677–0.947

ADC (×10−3 mm2/s)

0.794

0.905

0.006

76.2%

75.0%

0.617–0.914

APTWI+DWI

0.964

/

<  0.001

91.7%

95.2%

0.834–0.999

DKI + DWI

0.948

/

<  0.001

90.5%

91.7%

0.811–0.995

DKI + APTWI

0.956

/

< 0.001

80.95%

100.0%

0.822–0.997

APTWI+DKI + DWI

0.984

/

< 0.001

95.2%

100.0%

0.866–1.000

  1. APTWI + DWI = MTRasym +ADC; DKI + APTW = MD + MK + MTRasym; DKI + DWI = MD + MK + ADC; APTWI + DKI + DWI = MTRasym + MD + MK + ADC