Table 2.
Electrocardiographic findings of patients with risk factors (Group I) and patients with non-alcoholic fatty liver disease (Group II).
| Electrocardiographic variables | Group I (n = 23) | Group II (n = 74) | P value |
|---|---|---|---|
| Heart rate (beats per minute) | 81.4 ± 14.5 | 79.1 ± 12.9 | 0.486 |
| RR interval (ms) | 745.7 ± 115.1 | 761.1 ± 116.8 | 0.577 |
| PR interval (ms) | 146.3 ± 25.3 | 161.4 ± 29.8 | 0.021 |
| QRS duration (ms) | 58.4 ± 9.1 | 59.±16.4 | 0.725 |
| QRS dispersion (ms) | 14.3 ± 4/3 | 13.1 ± 5.9 | 0.289 |
| QTm interval (ms) | 371.7 ± 58.2 | 371.5 ± 39.2 | 0.987 |
| QTcB interval (ms) | 434.2 ± 77.5 | 324.0 ± 48.4 | <0.001 |
| QT index | 102.7 ± 17.6 | 101.1 ± 10.5 | 0.691 |
| TQ interval | 579.8 ± 122.1 | 631.3 ± 125.2 | 0.261 |
| JTm duration (ms) | 313.4 ± 60.1 | 312.2 ± 42.8 | 0.932 |
| JTc duration (ms) | 375.9 ± 80.0 | 264.7 ± 52.0 | <0.001 |
| JT index | 109.6 ± 22.6 | 107.5 ± 13.8 | 0.674 |
| Tp-e duration (ms) | 82.0 ± 18.9 | 77.7 ± 16.6 | 0.339 |
| Tp-e/QTm | 0.224 ± 0.055 | 0.211 ± 0.049 | 0.338 |
| Tp-e/QTcB | 0.193 ± 0.051 | 0.245 ± 0.062 | <0.001 |
| Voltage criteria | |||
| R1+S5 (mV) | 4.4 ± 2.4 | 5.4 ± 3.2 | 0.193 |
| S1+R5 (mV) | 16.3 ± 4.8 | 17.3 ± 5.5 | 0.433 |
The results are expressed as mean ± SD. P values were calculated using the two-tailed independent two-sample t-test.