Table 2. Pearson's correlation coefficients between arterial stiffness indices and study variables.
| CAVI |
haPWV |
|||||
|---|---|---|---|---|---|---|
| Variable | Male | Female | Overall | Male | Female | Overall |
| Age, yr | 0.391** | 0.085 | 0.252* | 0.385** | 0.325* | 0.355** |
| BMI z-score | −0.529** | −0.342* | −0.441** | −0.429** | −0.278 | −0.356** |
| Waist, cm | −0.077 | −0.277 | −0.132 | 0.066 | −0.037 | 0.032 |
| SBP, mmHg | −0.114 | 0.085 | −0.041 | 0.239 | 0.439** | 0.308** |
| HR, bpm | −0.297* | −0.221 | −0.273** | −0.190 | −0.201 | −0.197* |
| Sleep duration, h | −0.395* | −0.199 | −0.309** | −0.406** | −0.220 | −0.319** |
| 20 mSRT, stage | 0.226 | 0.301* | 0.249* | 0.225 | 0.338* | 0.249* |
*
p < 0.05
**
p < 0.01
BMI, body mass index; SBP, systolic blood pressure; HR, heart rate; 20 mSRT, 20-m shuttle run test; CAVI, cardio-ankle vascular index; haPWV, heart-ankle pulse wave velocity.