Table 2.
Echocardiographic analysis
| Variable | Mean ± SD | Median [25e-75e] | Range |
|---|---|---|---|
| Morphology | |||
| LVIDd (mm) | 50.4 ± 5.1 | 34–65 | |
| LVIDd/BSA (mm/m2) | 25.6 ± 3.1 | 17.7–39.5 | |
| IVSd (mm) | 8.6 ± 1.7 | 5–14 | |
| PWTd (mm) | 8 ± 1.4 | 5–11 | |
| LV mass (g) | 144 [115.3–168] | 70.6–219 | |
| LV mass/BSA (g/m2) | 70.1 [61.1–78.8] | 43.5–108 | |
| LA volume (ml) | 47.8 ± 14.6 | 36–59 | |
| LA volume/BSA (ml/m2) | 24.3 ± 6.6 | 19.2–29 | |
| LV ejection fraction (%) | 60 [55–65] | 50–72 | |
| LV global longitudinal strain (%) | 19.6 ± 2 | 15.3–25.3 | |
| Diastolic function | |||
| Doppler | |||
| Peak transmitral E-wave (cm/s) | 72.2 ± 13.6 | 33–105 | |
| Peak transmitral A-wave (cm/s) | 39 [32–48] | 22–97 | |
| E/A ratio | 1.87 ± 0.61 | 0.66–3.33 | |
| Peak early diastolic tissue velocity e’ (cm/s) | 12.8 ± 2.9 | 5–18.5 | |
| E/e’ ratio | 5.6 [4.8–6.6] | 2.6–15 | |
| Speckle tracking | |||
| Peak untwisting rate (deg/s) | 68.5 ± 19.4 | 28.3–130 | |
| Peak early diastolic strain rate Esr (s−1) | 1.45 ± 0.32 | 0.67–1.62 | |
| Color Doppler M-mode | |||
| Peak DIVPG (mmHg) | 3.2 ± 1 | 1.6–7.7 | |
| Peak Vp (cm/s) | 77.6 ± 22.8 | 38–143 | |
| E/Vp ratio | 0.99 ± 0.3 | 0.3–1.7 | |
Values are expressed as mean ± SD if normally distributed or median and interquartile [25e-75e percentile]. BSA: body surface area, DIVPG diastolic intraventricular pressure gradients, IVSd interventricular septal thickness in diastole, LA left atrial, LV left ventricle, LVIDd LV internal diameter in diastole, PWTd posterior wall thickness in diastole, Vp flow propagation velocity