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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