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Table 4 Predictive efficacy of the model of four independent predictive factors and the combined model

From: Histogram analysis based on multi-parameter MR imaging as a biomarker to predict lymph node metastasis in T3 stage rectal cancer

Parameters

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

AUC

mrN stage

58.1

86.7

70.6

79.0

0.735

CA199

15.3

96.4

69.2

67.9

0.558

DWICV

96.8

19.5

8.3

60.3

0.581

DWIMode

85.5

28.3

22.0

60.4

0.569

T2WIKurtosis

30.6

85

30.9

47.2

0.578

T2-mapP5

59.7

59.3

44.6

72.8

0.595

Combined model

72.8

85.5

72.9

85.5

0.860

  1. mrN Stage: N stage with MRI; CA199: carbohydrate antigen 199; CV: coefficient of variation; AUC: area under receiver operating characteristic curve; PPV: positive predictive value; NPV: negative predictive value
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BMC Medical Imaging

ISSN: 1471-2342

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