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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