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. 2023 Jun 21;12(7):1318. doi: 10.3390/antiox12071318

Figure 1.

Figure 1

Receiver operator characteristic (ROC) for NAFLD’s (FLI ≥ 60) predictive values of PREDIMED score. The 45° diagonal line serves as a reference line, as it is the ROC curve of the random classification. The line with the red dots represents the distribution of the data while the two dashed lines outside it represent the confidence intervals. The point furthest northwest of the ROC curve corresponds to the best cut-off, in the sense of maximizing the number of correctly classified subjects (and minimizing the number of subjects with a false diagnosis). A p-value in bold denotes a significant difference (p < 0.05). PREDIMED, PREvención con DIetaMEDiterránea.