Table 1.
Echocardiographic parameters of the LV and RV
| Parameter | Mean ± SD | p value | |
|---|---|---|---|
| NH&PI | CC | ||
| Left ventricle | |||
| IVSWTd (mm) | 10 ± 1 | 9 ± 1 | 0.006* |
| PWTd (mm) | 10 ± 1 | 9 ± 1 | 0.012* |
| LVIDd [mm/(m2)0.5] | 37 ± 3 | 38 ± 2 | 0.229 |
| LVIDs [mm/(m2)0.5] | 26 ± 2 | 26 ± 2 | 0.878 |
| LV mass [g/(m2)2.7] | 42 ± 9 | 37 ± 4 | 0.017* |
| MWT (mm) | 10 ± 0.7 | 9 ± 0.4 | < 0.001* |
| RWT | 0.35 ± 0.04 | 0.31 ± 0.03 | 0.003* |
| LVEDV [ml/(m2)1.5] | 47 ± 8 | 47 ± 7 | 0.873 |
| LVESV [ml/(m2)1.5] | 19 ± 4 | 20 ± 4 | 0.566 |
| LV SV (ml) | 94 ± 19 | 89 ± 13 | 0.27 |
| LV EF (%) | 59 ± 4 | 58 ± 5 | 0.515 |
| Septal S′ (cm/s) | 9 ± 1.3 | 9.3 ± 1.1 | 0.378 |
| Septal E′ (cm/s) | 11.7 ± 1.5 | 12.5 ± 2.4 | 0.191 |
| Septal A′ (cm/s) | 7.5 ± 1.6 | 7.8 ± 1.6 | 0.575 |
| Lateral S′ (cm/s) | 11.5 ± 2.9 | 11.6 ± 2.4 | 0.861 |
| Lateral E′ (cm/s) | 17 ± 3.4 | 18.5 ± 2.7 | 0.108 |
| Lateral A′ (cm/s) | 7.7 ± 2.7 | 6.6 ± 2 | 0.120 |
| Right ventricle | |||
| RVOTPLAX index [mm/(m2)0.5] | 23 ± 2 | 23 ± 2 | 0.981 |
| RVOT1 index [mm/(m2)0.5] | 23 ± 3 | 24 ± 3 | 0.476 |
| RVOT2 index [mm/(m2)0.5] | 18 ± 2 | 19 ± 3 | 0.212 |
| RVD1 index [mm/(m2)0.5] | 29 ± 2 | 30 ± 4 | 0.229 |
| RVD2 index [mm/(m2)0.5] | 23 ± 3 | 21 ± 3 | 0.085 |
| RVD3 index [mm/(m2)0.5] | 56 ± 13 | 62 ± 6 | 0.054 |
| RVDa Index (cm/m2) | 13 ± 2 | 13 ± 2 | 0.399 |
| RVSa Index (cm/m2) | 7 ± 1 | 7 ± 2 | 0.809 |
| RVWT (mm) | 5 ± 1 | 4 ± 1 | 0.016* |
| TAPSE (mm) | 24 ± 4 | 25 ± 4 | 0.742 |
| RVFAC (%) | 47 ± 6 | 49 ± 7.2 | 0.365 |
| RV S′ (cm/s) | 15 ± 2 | 14 ± 2 | 0.442 |
| RV E′ (cm/s) | 14 ± 3 | 15 ± 3 | 0.27 |
| RV A′ (cm/s) | 11 ± 2 | 10 ± 3 | 0.161 |
LV left ventricle, RV right ventricle, NH&PI Native Hawaiian & Pacific Islanders, CC Caucasian Controls, d at end-diastole, s at end-systole, IVSWT interventricular septal wall thickness, PWT posterior wall thickness, LVID LV internal diameter, MWT mean wall thickness, RWT relative wall thickness, LVEDV LV end-diastolic volume, LVESV LV end-systolic volume, SV stroke volume, EF ejection fraction, RVOT RV outflow tract, RVD RV dimension, RVDa RV area at end-diastole, RVSa RV area at end-systole, RVWT RV wall thickness, TAPSE tricuspid annular plane systolic excursion, RVFAC RV fractional area change
*p < 0.05 NH&PI versus CC