TABLE 1.
Average heart rate, QT, corrected QT, and Pearson’s correlation using smartphone electrocardiography and 12-lead electrocardiography
| Electrocardiography | Pearson’s correlation (r) | |
|---|---|---|
| Mean heart rate (BPM±SD) | ||
| 12-lead electrocardiography | 92±20 | 0.92 |
| Smartphone electrocardiography | 93±22 | |
| Mean QT interval (ms±SD) | ||
| 12-lead electrocardiography | 343±40 | 0.83 |
| Smartphone electrocardiography | 340±41 | |
| Mean corrected QT interval (ms±SD) | ||
| 12-lead electrocardiography | 419±28 | 0.57 |
| Smartphone electrocardiography | 415±33 | |
SD: Standard deviation.