Association of the magnitude of the difference in blood pressure between office and ambulatory measurements with blood pressure variability in untreated individuals

Table 3 Univariate and stepwise multivariate linear regression analysis for the association of systolic blood pressure difference with blood pressure variability parameters

Variables	Univariate		Multivariate
Variables	Beta (95% CI)	P value	Beta (95% CI)	P value
All
SD of 24-h SBP	-0.142 (-0.185 to -0.100)	< 0.001	-0.115 (-0.164 to -0.065)	< 0.001
SD of daytime SBP	-0.048 (-0.096 to 0.001)	0.054	Not selected
SD of nighttime SBP	-0.058 (-0.103 to -0.013)	0.011	-
cv of 24-h SBP	-0.055 (-0.086 to -0.023)	0.001	-0.070 (-0.100 to -0.039)	< 0.001
cv of daytime SBP	0.024 (-0.010 to 0.057)	0.166	Not selected
cv of nighttime SBP	-0.012 (-0.055 to 0.013)	0.231	Not selected
ARV of 24-h SBP	-0.061 (-0.098 to -0.024)	0.001	-
Ambulatory daytime hypertension
SD of 24-h SBP	-0.155 (-0.206 to -0.104)	< 0.001	-0.126 (-0.182 to -0.070)	< 0.001
SD of daytime SBP	-0.063 (-0.120 to -0.006)	0.030	-
SD of nighttime SBP	-0.057 (-0.110 to -0.005)	0.032	-
cv of 24-h SBP	-0.070 (-0.107 to -0.034)	< 0.001	-0.078 (-0.114 to -0.042)	0.001
cv of daytime SBP	0.004 (-0.034 to 0.041)	0.850	Not selected
cv of nighttime SBP	-0.029 (-0.068 to 0.010)	0.149	Not selected
ARV of 24-h SBP	-0.070 (-0.114 to -0.025)	0.002	-

Systolic blood pressure difference (office systolic blood pressure – ambulatory daytime systolic blood pressure)
Dashes indicates that the variables were not included in the multivariate stepwise linear regression model
Multivariate stepwise linear regression analysis was adjusted with age, sex, presence of diabetes and blood pressure (SD, cv and ARV of 24-h SBP with 24-h SBP; SD of daytime SBP with daytime SBP; SD of nighttime SBP with nighttime SBP)
95% CI 95% confidence interval, SBP Systolic blood pressure, DBP Diastolic blood pressure, SD Standard deviation, cv Coefficient of variation, ARV Average real variability

ISSN: 2056-5909