Table 3.
Regression coefficient summary for independent variables used in regression models for large artery elasticity index (LAEI) and small artery elasticity index (SAEI) of subjects 21 to 50 years of age.
| Variables | Predictors | Regression Coefficient | 95% CI | R2† | P Value |
|---|---|---|---|---|---|
| LAEI * (ml × mmHg−1) × 10 | SBP (mmHg) | −0.2736 | −0.3660 to −0.1812 | 0.2212 | < 0.001 |
| Female Gender | −3.7353 | −5.3785 to −2.0921 | 0.1434 | < 0.001 | |
| Non-Caucasian Race | −2.8548 | −4.4550 to −1.2546 | 0.0935 | 0.001 | |
| DBP (mmHg) | 0.1511 | 0.0129 to 0.2894 | 0.0373 | 0.03 | |
| Intercept | 44.0849 | 37.8113 to 50.3586 | |||
| SAEI ** (ml x× mmHg−1) × 100 | DBP (mmHg) | −0.0976 | −0.1727 to −0.0225 | 0.0527 | 0.01 |
| BMI (kg/m2) | 0.1333 | 0.0541 to 0.2126 | 0.0853 | 0.001 | |
| Female Gender | −1.6134 | −2.5311 to −0.6957 | 0.0924 | 0.001 | |
| Dyslipidemia | −1.8854 | −3.3957 to −0.3751 | 0.0488 | 0.02 | |
| Non-Caucasian Race | 1.1429 | 0.2465 to 2.0393 | 0.0508 | .01 | |
| SBP (mmHg) | −0.0455 | −0.0980 to 0.0070 | 0.0242 | .09 | |
| Intercept | 17.2615 | 13.4523 to 21.0706 |
*
Overall model results for LAEI: R2 = 0.4107, p < 0.001, Cp = 4.087225.
**
Overall model results for SAEI: R2 = 0.4166, p < 0.001, Cp = 7.145884.
†
Partial R2 adjusted for all other predictors.