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Table 3 ROC curve of LDL-C calculated vs. measured LDL-C for the Friedewald, Sampson formula

From: Evaluation of Sampson equation for LDL-C in acute coronary syndrome patients: a Chinese population-based cohort study

Formula

Sensitivity (%)

Specificity (%)

cut-off

AUC

(95%confidence internal)

Friedewald

89.4

88.6

93.32

0.951

(95%CI 0.947, 0.954)

Sampson

87.3

94.1

99.78

0.968

(95%CI 0.965, 0.970)

  1. ROC the receiver operating characteristic, AUC the area under ROC curves