Table 2 Conventional echocardiographic characteristics of the four study groups
Variable | Normal LA size (16–34 ml/m2, n = 507) | Mild LAE (35–41 ml/m2, n = 134) | Moderate LAE (42–48 ml/m2, n = 51) | Severe LAE (> 48 ml/m2, n = 23) | P |
|---|---|---|---|---|---|
LVEDD (cm) | 4.59 ± 0.49 | 4.77 ± 0.49 | 4.88 ± 0.59 | 5.03 ± 0.73 | < 0.001 |
LVEF (%) | 63.77 ± 6.46 | 63.93 ± 6.98 | 62.41 ± 9.37 | 61.96 ± 11.01 | 0.345 |
LVSlong (%) | 18.38 ± 3.13 | 18.63 ± 3.34 | 18.45 ± 4.63 | 17.37 ± 4.69 | 0.586 |
LVMI (g/m2) | 83.34 ± 20.06 | 93.95 ± 23.82 | 94.36 ± 29.29 | 122.47 ± 38.41 | < 0.001 |
E-wave (cm/s) | 76.05 ± 18.72 | 80.57 ± 20.60 | 83.43 ± 20.29 | 91.13 ± 31.30 | < 0.001 |
A-wave (cm/s) | 94.29 ± 19.21 | 97.85 ± 29.33 | 91.84 ± 17.64 | 99.73 ± 20.38 | 0.167 |
E/A retio | 0.83 ± 0.24 | 0.87 ± 0.31 | 0.93 ± 0.27 | 0.88 ± 0.20 | 0.033 |
E’ (cm/s) | 6.08 ± 1.89 | 5.86 ± 1.73 | 5.98 ± 1.69 | 5.00 ± 1.02 | 0.040 |
A’ (cm/s) | 10.43 ± 1.85 | 9.75 ± 1.85 | 9.58 ± 2.15 | 8.81 ± 1.94 | < 0.001 |
E/e’ | 13.30 ± 4.10 | 14.72 ± 5.18 | 14.89 ± 5.57 | 18.74 ± 6.36 | < 0.001 |
PASP (mmHg) | 28.71 ± 6.33 | 31.08 ± 6.95 | 32.89 ± 9.02 | 33.25 ± 6.67 | < 0.001 |
LAEF | 0.54 ± 0.08 | 0.54 ± 0.08 | 0.50 ± 0.08 | 0.44 ± 0.13 | < 0.001 |