Table 2. LV volumes and rotational parameters in different LV volume groups.
| Data | LV-EDV (mL) | LV-ESV (mL) | |||||
|---|---|---|---|---|---|---|---|
| <62.9 (n=23) | 62.9–108.3 (n=132) | >108.3 (n=20) | <25.6 (n=23) | 25.6–46.4 (n=128) | >46.4 (n=24) | ||
| LV-EDV (mL) | 54.2±11.1 | 84.4±11.7* | 129.6±19.0*† | 62.3±11.9 | 82.6±14.5‡ | 123.7±21.5‡# | |
| LV-ESV (mL) | 24.0±5.2 | 35.2±6.6* | 55.4±8.6*† | 21.8±3.0 | 35.1±5.6‡ | 54.7±7.9‡# | |
| LV-EF (mL) | 58.9±7.2 | 58.3±5.5 | 57.1±4.0 | 64.6±5.8 | 57.5±5.0‡ | 55.4±3.7‡# | |
| 3D mass (g) | 131.4±22.7 | 157.6±28.8* | 190.9±31.5*† | 130.4±21.3 | 157.0±28.7‡ | 190.8±30.0‡# | |
| Basal LVrot (°) | −4.37±1.92 | −4.10±2.22 | −4.08±1.74 | −3.58±1.15 | −4.22±2.26 | −4.29±2.10 | |
| Apical LVrot (°) | 11.77±4.65 | 8.54±3.58* | 9.06±2.77* | 11.54±4.12 | 9.05±3.66‡ | 8.61±3.36‡ | |
| LV twist (°) | 16.14±4.36 | 13.04±4.00* | 13.14±3.16* | 15.12±3.59 | 13.26±4.17‡ | 12.92±3.86‡ | |
| LV twist time (ms) | 330±69 | 351±147 | 352±72 | 331±98 | 352±142 | 341±97 | |
Data are presented as mean ± standard deviation. *, P<0.05 vs. LV-EDV <62.9 mL; †, P<0.05 vs. 62.9 mL ≤ LV-EDV ≤108.3 mL; ‡, P<0.05 vs. LV-ESV <25.6 mL; #, P<0.05 vs. 5.6 mL ≤ LV-ESV ≤ 46.4 mL. LV, left ventricular; EDV, end-diastolic volume; ESV, end-systolic volume; EF, ejection fraction; 3D, three-dimensional; LVrot, left ventricular rotation.