Table 2.
Comparison of the Echocardiographic Measurements between the Two Groups
| fQRS Group | Non‐fQRS Group | ||
|---|---|---|---|
| Measurements | (n = 86, 36.4%) | (n = 150, 63.6%) | P Value |
| IVST (mm) | 11.38 ± 2.08 | 10.50 ± 1.67 | 0.002 |
| LVPWT (mm) | 8.93 ± 1.27 | 8.68 ± 0.89 | 0.063 |
| LVEDD (mm) | 48.33 ± 6.60 | 45.46 ± 3.47 | 0.015 |
| LVESD (mm) | 32.23 ± 7.75 | 29.67 ± 5.77 | 0.005 |
| LAD (mm) | 35.35 ± 6.10 | 32.51 ± 5.47 | <0.001 |
| FS (%) | 35.44 ± 4.74 | 36.98 ± 1.96 | 0.014 |
| LVEF (%) | 62.95 ± 10.68 | 66.38 ± 5.47 | 0.006 |
| E/E' ratio | 10.21 ± 1.62 | 9.39 ± 1.30 | <0.001 |
| LVM (g) | 181.55 ± 65.64 | 149.21 ± 35.08 | <0.001 |
| LVH n (%) | 46 (43.5) | 45(30.0) | <0.001 |
fQRS, fragmented QRS; IVST, interventricular septal thickness; LVPWT, left ventricular posterior wall thickness; LVEDD, left ventricular end diastolic dimension; LVESD, left ventricular end systolic dimension; LAD, left atrium diameter; FS, fractional shortening; LVEF, left ventricular ejection fraction; LVM, left ventricular mass; LVH, left ventricular hypertrophy; E/E’ ratio, the ratio of peak of early diastolic transmitral flow to peak of early diastolic annular velocity.