The Relationship between the 24 h Blood Pressure Variability and Carotid Intima-Media Thickness: A Compared Study

Table 3

The correlation between the blood pressure variability (evaluated with SD, CV, and ARV) and carotid intima-media thickness in all the subjects.

Variables	SD		CV		ARV
	r	P value	r	P value	r	P value
Daytime SBPV	0.408	0.001**	0.381	0.003**	0.396	0.002**
Daytime DBPV	0.293	0.023*	0.302	0.019*	0.177	0.177
Nighttime SBPV	0.087	0.508	0.192	0.142	0.075	0.567
Nighttime DBPV	0.159	0.226	0.234	0.072	0.123	0.351
24 h SBPV	0.399	0.002**	0.376	0.003**	0.339	0.008**
24 h DBPV	0.328	0.010**	0.323	0.012*	0.214	0.101

Abbreviations as in Table 2. *Correlation is significant at the 0.05 level. **Correlation is significant at the 0.01 level.