Table 3.
Cardiac conduction in patients with HP and PHP
| 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 |
Date represent the means (SD) or N (%)
Abbreviation: HP hypoparathyroidism; PHP pseudohypoparathyroidism; ECG electrocardiograms; HR heart rate