Table 3.
ECG parameters at baseline and 4 weeks after donepezil intervention.
| Baseline | Donepezil | t | p | |
|---|---|---|---|---|
| HR (beats/min) | 76.8 ± 10.8 | 72.1 ± 12.7∗ | 2.1838 | 0.0310 |
| PR interval (ms) | 172.3 ± 21.3 | 182.6 ± 25.8∗ | 2.3847 | 0.0187 |
| QRS duration (ms) | 98.2 ± 15.3 | 96.6 ± 24.3 | 0.5918 | 0.5551 |
| QT interval (ms) | 378.3 ± 31.3 | 383.8 ± 32.4 | 0.9457 | 0.3462 |
| QTc (ms) | 415.1 ± 35.7 | 424.3 ± 37.2 | 1.0858 | 0.7529 |
| QTd (ms) | 64.5 ± 10.7 | 67.2 ± 11.3 | 1.4082 | 0.1591 |
| Tpeak-end (ms) | 75.3 ± 12.7 | 77.3 ± 14.3 | 0.8100 | 0.4179 |
Note. Values are shown as mean ± SD. HR, heart rate; QRS, QRS complexes; QTc, corrected QT intervals; QTd, QT dispersion; Tpeak-end, T peak-to-end.