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Table 3 The correlation between the blood pressure variability (evaluated with SD, CV, and ARV) and carotid intima-media thickness/number of plaques in all the subjects

From: Relationship of short-term blood pressure variability with carotid intima-media thickness in hypertensive patients

Variables IMT Number of plaques
r(P)1 r(P)2 r(P)3 r(P)1 r(P)2 r(P)3
SD
 Daytime SBPV 0.312** (0.005) 0.103 (0.368) 0.231* (0.041) 0.146 (0.286) 0.073 (0.596) 0.065 (0.584)
 Daytime DBPV 0.098 (0.391) 0.037 (0.745) 0.076 (0.51) 0.002 (0.989) −0.105 (0.443) −0.104 (0.378)
 Nighttime SBPV 0.053 (0.646) 0.008 (0.945) 0.033 (0.771) 0.156 (0.255) 0.078 (0.572) 0.014 (0.907)
 Nighttime DBPV 0.046 (0.686) 0.136 (0.235) 0.105 (0.359) 0.215 (0.115) 0.149 (0.279) 0.142 (0.227)
 24 h SBPV 0.261* (0.021) 0.119 (0.298) 0.213 (0.061) 0.151 (0.272) 0.100 (0.467) 0.065 (0.584)
 24 h DBPV 0.098 (0.392) 0.068 (0.555) 0.093 (0.416) −0.005 (0.970) −0.058 (0.671) −0.104 (0.378)
CV
 Daytime SBPV 0.255* (0.024) 0.117 (0.306) 0.208 (0.067) 0.167 (0.223) 0.122 (0.373) 0.105 (0.374)
 Daytime DBPV 0.172 (0.132) 0.132 (0.248) 0.172 (0.133) 0.174 (0.203) 0.077 (0.575) 0.097 (0.410)
 Nighttime SBPV 0.08 (0.485) 0.146 (0.201) 0.13 (0.258) 0.097 (0.481) 0.080 (0.560) 0.059 (0.616)
 Nighttime DBPV 0.007 (0.95) 0.143 (0.212) 0.088 (0.444) 0.172 (0.209) 0.195 (0.153) 0.130 (0.268)
 24 h SBPV 0.215 (0.059) 0.146 (0.202) 0.203 (0.075) 0.175 (0.202) 0.142 (0.301) 0.122 (0.301)
 24 h DBPV 0.145 (0.206) 0.153 (0.18) 0.169 (0.139) 0.200 (0.142) 0.145 (0.292) 0.118 (0.316)
ARV
 Daytime SBPV 0.284* (0.012) 0.188 (0.099) 0.266* (0.019) 0.356** (0.008) 0.241 (0.077) 0.278* (0.016)
 Daytime DBPV 0.239* (0.035) 0.076 (0.511) 0.175 (0.126) 0.150 (0.275) 0.100 (0.467) 0.076 (0.523)
 Nighttime SBPV −0.014 (0.904) −0.008 (0.941) −0.013 (0.913) 0.155 (0.259) 0.054 (0.698) 0.025 (0.834)
 Nighttime DBPV 0.053 (0.646) 0.16 (0.162) 0.123 (0.285) 0.278* (0.040) 0.137 (0.317) 0.186 (0.113)
 24 h SBPV 0.262* (0.021) 0.122 (0.286) 0.215 (0.059) 0.297* (0.027) 0.151 (0.270) 0.188 (0.108)
 24 h DBPV 0.202 (0.077) 0.097 (0.398) 0.167 (0.143) 0.241 (0.077) 0.129 (0.348) 0.138 (0.240)