Table 1.
Descriptive Statistics of ECG Parameters by Standard and Holter Method
| Parameter | Statistics | Holter | Standard |
|---|---|---|---|
| PR (ms) | N | 411 | 406 |
| Mean (SD) | 152.6(18.5) | 155.1(17.0) | |
| Minimum‐Maximum | 106.0–196.0 | 120.0–194.0 | |
| Heart rate (bpm) | N | 413 | 406 |
| Mean (SD) | 60.1(7.9) | 58.2(6.5) | |
| Minimum‐Maximum | 43.0–103.0 | 45.0–81.0 | |
| RR (ms) | N | 413 | 406 |
| Mean (SD) | 1013.9(123.7) | 1043.2(111.5) | |
| Minimum‐Maximum | 583.0–1395.0 | 740.7–1333.3 | |
| QRS (ms) | N | 413 | 406 |
| Mean (SD) | 97.3(7.4) | 96.5(8.5) | |
| Minimum‐Maximum | 76.0–118.0 | 72.0–118.0 | |
| QT (ms) | N | 413 | 406 |
| Mean (SD) | 398.4(23.8) | 403.4(22.8) | |
| Minimum‐Maximum | 333.0–479.0 | 340.0–470.0 | |
| QTcB (ms) | N | 413 | 406 |
| Mean (SD) | 396.8(15.7) | 395.7(12.8) | |
| Minimum‐Maximum | 349.6–451.4 | 357.8–430.7 | |
| QTcF (ms) | N | 413 | 406 |
| Mean (SD) | 397.2(14.7) | 398.2(13.3) | |
| Minimum‐Maximum | 356.9–442.0 | 369.5–438.3 | |
| QTcI (ms) | N | 413 | 406 |
| Mean (SD) | 397.8(14.3) | 397.1(12.1) | |
| Minimum‐Maximum | 360.9–443.4 | 367.2–433.4 |