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. 2020 Aug 6;9(16):e017221. doi: 10.1161/JAHA.120.017221

Figure 1. Receiver operating characteristic curve for (A) the internal validation cohort (n=275) and (B) the external validation cohort (n=241).

Figure 1

ACC indicates predictive accuracy; AUC, area under the receiver operating characteristic curve; NPV, negative predictive value; PPV, positive predictive value; Sn, sensitivity; and Sp, specificity.