Table 2.
Multivariate regression models for arterial stiffness measures
| PWV (higher = stiffer)
|
AI75 (higher = stiffer)
|
BrachD (lower = stiffer)
|
||||
|---|---|---|---|---|---|---|
| Beta (SE) | p-Value | Beta (SE) | p-Value | Beta (SE) | p-Value | |
| Intercept | 4.47 (0.23) | <0.0001 | 4.29 (3.53) | 0.23 | 9.52 (0.36) | <0.0001 |
| Type 1 diabetes status (yes) | 0.16 (0.07) | 0.02 | 4.08 (1.02) | <0.0001 | −0.25 (0.11) | 0.02 |
| Age (yr) | 0.10 (0.01) | <0.0001 | −0.18 (0.16) | 0.26 | 0.05 (0.02) | 0.006 |
| Sex (female) | 0.11 (0.07) | 0.10 | 5.55 (1.02) | <0.0001 | 0.79 (0.10) | <0.0001 |
| Race (non-Hispanic white) | −0.23 (0.08) | 0.01 | −6.06 (1.30) | <0.0001 | 0.003 (0.14) | 0.97 |
| Smoking (current) | 0.03 (0.09) | 0.72 | 0.92 (1.31) | 0.49 | 0.14 (0.14) | 0.31 |
| Smoking (former) | −0.02 (0.08) | 0.85 | 0.77 (1.25) | 0.54 | 0.21 (0.13) | 0.10 |
| Mean arterial pressure (mmHg) | 0.02 (0.004) | <0.0001 | 0.15 (0.07) | 0.03 | −0.003 (0.01) | 0.62 |
| Waist/height ratio | 0.01 (0.002) | <0.0001 | −0.07 (0.04) | 0.07 | −0.04 (0.004) | <0.0001 |
| Triglycerides/HDL-C ratio | 0.03 (0.02) | 0.18 | 0.76 (0.31) | 0.01 | 0.05 (0.03) | 0.08 |
| Microalbuminuria (yes) | 0.38 (0.13) | 0.004 | 1.40 (2.18) | 0.52 | 0.16 (0.21) | 0.44 |
| Model R2 | 0.43 | 0.15 | 0.30 | |||
AI, augmentation index; BrachD, brachial distensibility; HDL, high-density lipoproteins; SE, standard error.
The above are beta-estimates (standard error) and p-values.