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Table 1 Automatic algorithm calculation of QT intervals for unfiltered, non-amplified, non-noisy Resultant Vector ECGs. T1, T2, T3, S1, S2 and Novel are the algorithms as described in the text. Res1, Res2, Res3 and Res4 are the resultant vector ECG described in the text unfiltered, non-amplified and without added noise. The numerical values are in milliseconds.

From: Accuracy of popular automatic QT Interval algorithms assessed by a 'Gold Standard' and comparison with a Novel method: computer simulation study

  Res1 Res2 Res3 Res4
T1 445 404 353 345
T2 430 387 348 343
T3 496 462 371 386
S1 433 379 353 346
S2 435 382 355 347
Novel 495 461 461 495