Table 4.
Correlation between Carotid Artery Diameter During Mental Stress and Other Variables in Normal and Hypertensive Subjects
| Variables | Normal (n = 30) | HTN (n = 28) |
| Blood Pressure Variables | ||
| SBPb | -0.18 (0.35)) | -0.05 (0.79) |
| SBPp | -0.21 (0.26) | -0.14 (0.49) |
| DBPb | 0.07 (0.7) | 0.04 (0.82) |
| DBPp | 0.14 (0.45) | -0.10 (0.62) |
| PSVb | 0.09 (0.65) | -0.19 (0.33) |
| PSVp | 0.04 (0.84) | -0.18 (0.38) |
| EDVb | 0.07 (0.72) | -0.40 (0.03) |
| EDVp | 0.14 (0.45) | -0.08 (0.68) |
| TAMb | -0.03 (0.87) | -0.41 (0.03) |
| TAMp | -0.09 (0.61) | -0.08 (0.69) |
| Other Variables | ||
| Age | -0.24 (0.21) | -0.13 (0.49) |
| IMT | 0.09 (0.64) | 0.15 (0.44) |
| CA Distensibility | 0.29 (0.18) | 0.03 (0.90) |
Numbers represent result of Pearson correlation analysis between % change in carotid artery diameter between baseline and peak mental stress to the listed variables. Numbers in bracket represent the P values. Abbreviations: b, baseline; p, peak stress; SBP, systolic blood pressure; DBP, diastolic blood pressure; PSV, peak systolic velocity; EDV, end-diastolic velocity; TAM, time average mean velocity; IMT, intima media thickness.