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. Author manuscript; available in PMC: 2018 Nov 29.
Published in final edited form as: J Electrocardiol. 2018 Aug 13;51(6 Suppl):S116–S120. doi: 10.1016/j.jelectrocard.2018.08.017

Table 1 -.

Temporal Performance of Various Metrics on the Epicardial Surface. The time to threshold (TTT) measures the response time of the metric and the contrast ratio measures the robustness of its response. Episodes detected quantifies the number of episodes of ischemia detected by the metric.

Time to Threshold (TTT) [s] Contrast Ratio (CR) Episodes Detected
LE-Metric 273 +/−88 4.7 +/− 3.2 45/85
ST40% 323 +/−90 1.7 +/− 4.7 34/85
ST60 356 +/−90 2.2 +/− 5.2 34/85
Tpeak 311 +/−97 5.1 +/− 3.3 41/85
Tint 323 +/− 100 6.9 +/− 5.2 39/85
QRSint 379 +/− 55 1.9 +/− 2.1 26/85
CV 322 +/−82 4.5 +/− 6.9 n/a