Correlation of ICG and echocardiographic parameters with genetic ancestry
| ICG parameters | European | Amerindian | African |
|---|---|---|---|
| MAP(mm Hg) | −0.61 | −0.061 | 0.081 |
| PP (mm Hg) | −0.041 | −0.002 | 0.043 |
| HR (L/min) | 0.070 | 0.033 | −0.082 |
| CI (L/min/m2) | −0.003 | −0.032 | 0.013 |
| SI (mL/m2) | −0.029 | −0.072 | 0.052 |
| SVRI (dyn.s.cm−5.m2) | −0.044 | 0.007 | 0.043 |
| STR | 0.011 | 0.109* | −0.045 |
| TFCI (1/KOhm/m2) | −0.104 | −0.058 | 0.124* |
| Echocardiographic parameters | |||
| LA vol index (vol/m2) | 0.034 | −0.026 | −0.027 |
| IVS (mm) | −0.061 | −0.015 | 0.066 |
| LVPW (mm) | −0.041 | −0.045 | 0.056 |
| LVDD (mm) | 0.040 | −0.033 | −0.031 |
| LVSD (mm) | 0.049 | −0.047 | −0.037 |
| LVEF (%) | −0.044 | 0.077 | 0.023 |
| LV mass index(g/m2) | −0.022 | −0.064 | 0.041 |
| Wave E peak | −0.118* | −0.021 | 0.127* |
| Wave A peak | 0.022 | 0.023 | −0.029 |
| Medial E/e′ ratio | −0.120* | −0.067 | 0.142* |
| Lateral E/e′ ratio | −0.173 | −0.070 | 0.197† |
| SPAP (mm Hg) | 0.052 | −0.106 | −0.022 |
Bold values are statistically significant.
*Correlation significant at the level of p<0.05.
†Correlation significant at the level of p<0.01.
CI, cardiac index; HR, heart rate; ICG, impedance cardiography; IVS, interventricular septal thicknesses; LA vol index, Left atrial volume index; LCWI, left cardiac work index; LV, left ventricular; LVDD, left ventricular diastolic diameter; LVEF, left ventricular ejection fraction; LVPW, left ventricular posterior wall thicknesses; LVSD, left ventricular systolic diameter; MAP, median arterial pressure; PP, pressure pulse; SI, stroke index; SPAP, systolic pulmonary artery pressure; STR, systolic time ratio; SVRI, systemic vascular resistance index; TFCi, thoracic fluid content index.