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Table 3 Diagnostic performance of parameters (assessed by AUCs) derived from the non-mono-exponential models for the detection of respond to chemotherapy

From: Non-mono-exponential diffusion models for assessing early response of liver metastases to chemotherapy in colorectal Cancer

Parameters

AUC(95%CI)

Sensitivity

Specificity

PPV

NPV

Accuracy

Cutoff value

Pre-K

0.746 (0.565~0.881)

100.0%

50.3%

68.3%

100.0%

76.3%

0.95

ΔK (%)

0.735 (0.553~0.873)

53.4%

100.0%

100.0%

67.5%

76.3%

−1.05

Pre-σ

0.710 (0.526~0.854)

100.0%

56.2%

71.1%

100.0%

79.2%

1.16

Δσ(%)

0.717 (0.534~0.859)

59.2%

88.4%

83.4%

67.4%

73.4%

−2.13

  1. AUC area under curve, PPV positive predictive value, NPV negative predictive value
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Cancer Imaging

ISSN: 1470-7330

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