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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