| Echocardiographic findings | Group 1 DFRI <13.5 (n = 64) | Group 2 DFRI ⩾13.5 (n = 77) | p Value |
| LVEDD (mm) | 49 (4) | 49 (3) | 0.32 |
| LVESD (mm) | 32 (4) | 32 (3) | 0.64 |
| Ejection fraction (%) | 68 (6) | 68 (6) | 0.49 |
| IVS (mm) | 11 (2) | 10 (2) | 0.25 |
| PW (mm) | 10 (2) | 10 (2) | 0.45 |
| LV mass index (g/m2) | 119 (32) | 104 (27) | 0.012 |
| LAVI (ml/m2) | 24 (8) | 22 (8) | 0.17 |
| E (m/s) | 0.55 (0.14) | 0.54 (0.12) | 0.54 |
| A (m/s) | 0.77 (0.16) | 0.76 (0.16) | 0.70 |
| E/A | 0.74 (0.21) | 0.72 (0.15) | 0.41 |
| DT (ms) | 253 (45) | 241 (49) | 0.14 |
| TR velocity (m/s) | 2.3 (0.3) | 2.2 (0.3) | 0.11 |
| Stroke volume (ml) | 68 (14) | 66 (12) | 0.55 |
| E′ (cm/s) | 4.7 (1.2) | 5.0 (1.1) | 0.13 |
| E/E′ | 12.5 (4.0) | 11.4 (3.6) | 0.10 |
Results are shown as mean (SD).
A, peak velocity of diastolic filling during atrial contraction; DFRI, diastolic function reserve index; DT, deceleration time; E, peak velocity of early diastolic filling; E′ early diastolic mitral annular velocity; IVS, interventricular septal thickness; LAVI, left atrial volume index; LV, left ventricular; LVEDD, left ventricular end-diastolic dimension; LVESD, left ventricular end-systolic dimension; PW, posterior wall thickness; TR, tricuspid regurgitation.