Table 3.
Arterial properties in subjects not assuming antihypertensive therapy according to their office and 24 h ABPM BP profile.
| True NT (n = 1721) (group 0) |
WCHT (n = 187) (group 1) |
MH (n = 147) (group 2) |
True HT (n = 907) (group 3) |
ANOVA P value |
Post-hoc Bonferroni (p < 0.05) |
ANCOVA P valuea |
|
|---|---|---|---|---|---|---|---|
| PWV (m/s) | 6.4 ± 1.7 | 7.9 ± 2.0 | 7.9 ± 3.2 | 7.9 ± 2.7 | .0001 | 0 < all | .0001 |
| PWV/MBP | 7.4 ± 1.8 | 7.4 ± 1.8 | 8.3 ± 2.7 | 7.8 ± 2.3 | .02 | 2,3 > 0,1 | .0001 |
| AI@75 (%) | 18.6 ± 14.2 | 28.4 ± 12.1 | 20.7 ± 16.4 | 25.4 ± 12.1 | .0001 | 1,3 > 2 > 0 | .0001 |
| CCA IMT (mm) | 0.53 ± 0.10 | 0.62 ± 0.14 | 0.62 ± 0.16 | 0.60 ± 0.14 | .0001 | 0 < all | .0001 |
| CCA diameter (mm) | 5.2 ± 0.6 | 5.7 ± 0.7 | 5.7 ± 0.9 | 5.7 ± 0.8 | .0001 | 0 < all | .0001 |
| CCA W/L ratio | 20.6 ± 3.7 | 21.3 ± 5.3 | 22.6 ± 5.3 | 21.4 ± 4.5 | .01 | 0 < all | 0.22 |
| CCA CSA | 19.4 ± 5.3 | 23.9 ± 6.7 | 25.7 ± 10.0 | 24.5 ± 8.3 | .0001 | 0 < all | .0001 |
| CCA circumferential stress | 17.8 ± 3.8 | 22.9 ± 6.0 | 20.6 ± 5.2 | 21.7 ± 5.5 | .0001 | 1 > 2,3 > 0 | .0001 |
| CCA strain (%) | 8.8 ± 3.1 | 8.2 ± 3.5 | 8.6 ± 3.1 | 7.8 ± 3.2 | .0001 | 3 < 0 | .05 |
| CCA stiffness | 6.2 ± 3.5 | 7.5 ± 4.5 | 6.8 ± 3.3 | 7.6 ± 4.7 | .0001 | 1,3 > 0 | 0.09 |
PWV = Pulse Wave Velocity.
PWV/MBP = Pulse Wave Velocity/Mean Blood Pressure.
AI@75 = Augmentation Index normalized for heart rate if 75 bpm.
CCA = Common Carotid Artery.
IMT = Intima-; Media Thickness.
W/L= Wall-to-lumen ratio.
CSA = Cross Sectional Area.
a
After controlling for age, sex, BMI, smoking, and diabetes mellitus.