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Table 2 Characteristics of the regression lines from AP–VS intervals calculated or estimated by six observers (I–VI)

From: R-wave synchronised atrial pacing in pediatric patients with postoperative junctional ectopic tachycardia: the atrioventricular interval investigated by computational analysis and clinical evaluation

  Calculated I II III IV V VI
AP–VS10/20 10 20 10 20 10 20 10 20 10 20 10 20 10 20
Gradient − 0.28 − 0.56 − 2.06 − 2.06 − 0.49 − 0.58 − 0.48 − 0.48 − 0.50 − 0.50 − 0.29 − 0.33 − 0.48 − 0.46
Intercept 143 209 506 516 196 206 174 168 195 200 140 140 191 179
R2 0.87 0.94 0.97 0.97 0.97 0.93 0.97 0.97 1.0 1.0 0.94 0.97 0.99 0.99
  1. Gradient in ms/bpm, intercept in ms