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. 2019 Dec;9(12):1932–1947. doi: 10.21037/qims.2019.08.03

Figure 7.

Figure 7

ROC curves for diagnosing different hepatic steatosis stages for the 204 patients in group B, using μRSK. (A-I) Correspond to the average value of μRSK within the ROI of μRSK parametric images constructed using WSL =1, 2, 3, 4, 5, 6, 7, 8 and 9 PLs, respectively. The AUROCs obtained, using μRSK (95% CIs) for fatty stages ≥ mild, ≥ moderate, and ≥ severe were (AUROC1, AUROC2, AUROC3) = (0.56, 0.57, 0.53), (0.68, 0.72, 0.75), (0.73, 0.78, 0.80), (0.74, 0.77, 0.79), (0.74, 0.78, 0.79), (0.75, 0.80, 0.82), (0.74, 0.77, 0.83), (0.74, 0.78, 0.84) and (0.73, 0.76, 0.83) for WSL =1, 2, 3, 4, 5, 6, 7, 8 and 9 PLs, respectively. AUROC, area under the ROC; ROC, receiver operating characteristic; ROI, region of interest; WSL, window side length.