Table 4. Echocardiographic characteristics of fQRS (+) and fQRS (−) groups.
| fQRS (+) group (n = 126) | fQRS (–) group (n = 90) | p value | |
| LVEF, % | 53.31 ± 9.35 | 58.51 ± 6.67 | < 0.001 |
| LVESD, mm | 31.33 ± 7.27 | 27.69 ± 5.59 | < 0.001 |
| LVEDD, mm | 47.17 ± 6.86 | 45.07 ± 5.56 | 0.021 |
| Left atrial diameter, mm | 34.09 ± 5.99 | 32.00 ± 5.37 | 0.011 |
| Degree of mitral regurgitation | |||
| 0 | 53 | 46 | 0.214 |
| 1 | 9 | 7 | 0.861 |
| 2 | 51 | 30 | 0.320 |
| 3 | 10 | 4 | 0.405 |
Mean values (standard deviation) and % (n) were reported for continuous and categorical variables, respectively.
fQRS, fragmented QRS; LVEDD, left ventricle end-diastolic diameter; LVEF, left ventricular ejection fraction; LVESD, left ventricle end-systolic diameter.