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Table 3 Cardiac conduction in patients with HP and PHP

From: Manifestations of left ventricular dysfunction and arrhythmia in patients with chronic hypoparathyroidism and pseudohypoparathyroidism: a preliminary study

Variables

HP

PHP

12-lead ECG

N = 14

N = 5

HR (beats/min)

77.5 ± 12.9

73.3 ± 8.2

QTc interval (ms)

449.9 ± 33.9

440.6 ± 16.2

QTc abnormality, n (%)

8/14 (57.1%)

2/5 (40%)

QT (ms)

401.3 ± 33.4

392.5 ± 14.3

QRS interval (ms)

87.5 ± 11.1

92.5 ± 15.4

PR interval (ms)

145.9 ± 18.1

146.5 ± 10.5

24-h Holter ECG

N = 10

N = 5

24-h total HR (beats)

110,428.0 ± 12,472.5

108,930 ± 11,826.4

Highest HR (beats/min)

122.8 ± 18.3

136.4 ± 12.9

Lowest HR (beats/min)

55.9 ± 3.9

57.2 ± 10.7

Number of supraventricular arrhythmias, n

10/10

2/5

Number of ventricular arrhythmia, n

5/10

2/5

  1. Date represent the means (SD) or N (%)
  2. Abbreviation: HP hypoparathyroidism; PHP pseudohypoparathyroidism; ECG electrocardiograms; HR heart rate