Skip to main content
. 2002 Nov;88(5):515–519. doi: 10.1136/heart.88.5.515

Table 2.

ECG results

Variable Patients Controls p Value
VT (n) 2
SVT (n) 3
cRBBB (n) 33
QRS (ms) 133 (36) (83–195*) 91 (11) <0.001
QRS >180 ms (n) 5
QTc (ms) 437 (28) 421 (24) NS
JTc (ms) 292 (26) 320 (22) <0.001
QRSd (ms) 36 (17) 20 (6) <0.01
QTd (ms) 87 (48) 42 (20) <0.01
JTd (ms) 93 (48) 42 (19) <0.001

Values are mean (SD); *range.

cRBBB, complete right bundle branch block; JTc, rate corrected JT interval; JTd, JT dispersion; QRSd, QRS dispersion; QTd, QT dispersion; QTc, rate corrected QT interval; SVT, supraventricular tachycardia; VT, ventricular tachycardia.