The Relationship between the 24 h Blood Pressure Variability and Carotid Intima-Media Thickness: A Compared Study
Table 4
The correlation between mean blood pressure values and carotid intima-media thickness/number of plaques in all the subjects.
Variables
IMT
Number of plaques
r
P value
r
P value
24 h SBP
0.017
0.895
0.005
0.972
24 h DBP
−0.099
0.451
−0.245
0.059
24 h PP
0.169
0.196
0.349
0.006**
Daytime SBP
0.016
0.904
−0.006
0.964
Daytime DBP
−0.099
0.454
−0.244
0.060
Daytime PP
0.171
0.191
0.332
0.010**
Nighttime SBP
0.006
0.963
0.016
0.901
Nighttime DBP
−0.105
0.423
−0.254
0.050*
Nighttime PP
0.157
0.231
0.370
0.004**
SBP decrease (%)
−0.031
0.816
−0.075
0.570
DBP decrease (%)
−0.007
0.959
0.051
0.700
Note: correlation coefficients (r) by Pearson’s test are shown. The abbreviations as in Table 1.
*Correlation is significant at the 0.05 level (2-tailed). **Correlation is significant at the 0.01 level (2-tailed).
