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. 2017 Aug 22;46(6):20160434. doi: 10.1259/dmfr.20160434

Figure 4.

Figure 4

Discrimination of mean apparent diffusion coefficient (ADC) values between benign and malignant tumours: (a) the mean ADC value of malignant tumours [(0.91 ± 0.20) × 10−3 mm2 s−1] is significantly lower than that of benign masses [(1.16 ± 0.34) × 10−3 mm2 s−1] (p < 0.001). (b) The receiver-operating characteristic of mean ADC values for use in differentiating between malignancies and benign tumours. The area under the curve (AUC) is 0.71 ± 0.04, and a cut-off point of 1.12 × 10−3 mm2 s−1 for the ADC value is obtained.