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. 2020 Jan 29;27(14):1529–1538. doi: 10.1177/2047487319901060

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© The European Society of Cardiology 2020

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Figure 4. — Test performance indices of the three ECG criteria sets: ESC-2005, Seattle, and International.

Sensitivity: the total number of athletes with ECG abnormalities and high-risk cardiovascular conditions (HRCC) present (true positives) divided by the total number of athletes with HRCC present; specificity: the total number of athletes with normal ECG results and HRCC absent (true negatives) divided by the total number of athletes with HRCC absent; FPR: false positive rate, the total number of athletes with abnormal ECG results and HRCC absent (false positives) divided by the total number of athletes with HRCC absent; FNR: false negative rate, the total number of athletes with normal ECG results and HRCC present (false negatives) divided by the total number of athletes with HRCC present; PPV: positive predictive value, the number of true positives divided by total number of athletes with ECG abnormalities; NPV: negative predictive value, one minus PPV.