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Table 3 Comparison between ECG parameters of patients with and without amyloidosis

From: Cardiac repolarization abnormalities in children with familial Mediterranean fever

Parameters Patients without amyloidosis (N:57) mean ± SD Patients with amyloidosis (N:3) mean ± SD P value
QT (msec) 372.8 ± 31.002 350 ± 17.321 0.073
JT (msec) 286.4 ± 31.983 270 ± 17.321 0.072
QTd (msec) 29.3 ± 13.693 26.67 ± 11.547 0.483
JTd (msec) 25.4 ± 12.420 26.67 ± 11.547 0.863
QTc (msec) 439.08 ± 23.188 425 ± 24.754 0.891
JTc (msec) 355.77 ± 24.453 344.97 ± 24.803 0.459
Tpe (msec) 94.73 ± 10.959 90 ± 10 0.467
Tpe/QTc ratio 0.2054 ± 0.0369 0.189 ± 0.0517 0.411
Pd (msec) 19.654 ± 10.420 26.67 ± 11.547 0.030
  1. QTd: QT interval dispersion, JTd: JT interval dispersion, QTc: corrected QT interval, JTc: corrected JT interval, Tpe: peak to end T wave, Pd: P wave dispersion, N: number, SD: standard deviation, p-value: probability value