Table 3.
Regression coefficients of the association between echocardiographic parameters and central systolic blood pressure and parameters of its short-term variability. Age and sex are included in the statistical models
| Hypertensives | Normotensives | All patients | ||||
|---|---|---|---|---|---|---|
|
|
||||||
| ß | p | ß | p | ß | p | |
| Left ventricular mass index | ||||||
| Central SBP - 24 h | 0.36 | 0.02 | 0.26 | 0.07 | 0.41 | < 0.001 |
| Central SBP - day | 0.31 | 0.04 | 0.27 | 0.06 | 0.40 | < 0.001 |
| Central SBP - night | 0.42 | < 0.01 | 0.24 | 0.09 | 0.43 | < 0.001 |
| SD 24 h central SBP | -0.03 | 0.83 | 0.20 | 0.20 | 0.13 | 0.24 |
| SD day central SBP | 0.15 | 0.33 | 0.16 | 0.29 | 0.21 | 0.05 |
| SD night central SBP | -0.23 | 0.15 | 0.26 | 0.12 | 0.01 | 0.93 |
| Average real variability | -0.08 | 0.60 | 0.28 | 0.09 | 0.08 | 0.47 |
| Coefficient of variation | -0.18 | 0.30 | 0.08 | 0.60 | -0.11 | 0.31 |
| Nocturnal central SBP fall | -0.17 | 0.27 | 0.07 | 0.67 | -0.06 | 0.55 |
| Relative wall thickness | ||||||
| Central SBP - 24 h | 0.14 | 0.33 | 0.08 | 0.57 | 0.21 | 0.03 |
| Central SBP - day | 0.12 | 0.42 | 0.07 | 0.63 | 0.19 | 0.04 |
| Central SBP - night | 0.19 | 0.21 | 0.08 | 0.57 | 0.22 | 0.02 |
| SD 24 h central SBP | -0.09 | 0.53 | 0.12 | 0.42 | 0.04 | 0.70 |
| SD day central SBP | 0.04 | 0.79 | 0.06 | 0.69 | 0.09 | 0.34 |
| SD night central SBP | -0.20 | 0.18 | 0.41 | < 0.01 | 0.04 | 0.72 |
| Average real variability | -0.13 | 0.34 | 0.27 | 0.07 | 0.01 | 0.89 |
| Coefficient of variation | 0.11 | 0.45 | -0.16 | 0.30 | -0.08 | 0.46 |
| Nocturnal central SBP fall | -0.11 | 0.44 | -0.02 | 0.85 | -0.06 | 0.51 |
| E/E’ | ||||||
| Central SBP - 24 h | 0.19 | 0.22 | 0.38 | < 0.01 | 0.31 | < 0.01 |
| Central SBP - day | 0.13 | 0.37 | 0.36 | < 0.01 | 0.29 | < 0.01 |
| Central SBP - night | 0.29 | 0.07 | 0.36 | < 0.01 | 0.34 | < 0.001 |
| SD 24 h central SBP | -0.05 | 0.73 | 0.22 | 0.14 | 0.09 | 0.36 |
| SD day central SBP | 0.14 | 0.44 | 0.11 | 0.43 | 0.16 | 0.10 |
| SD night central SBP | -0.07 | 0.65 | 0.20 | 0.22 | 0.05 | 0.64 |
| Average real variability | -0.04 | 0.77 | 0.13 | 0.43 | 0.03 | 0.76 |
| Coefficient of variation | -0.13 | 0.41 | 0.03 | 0.84 | -0.10 | 0.38 |
| Nocturnal central SBP fall | -0.23 | 0.11 | 0.02 | 0.90 | -0.12 | 0.22 |
| Left ventricle end-diastole diameter | ||||||
| Central SBP - 24 h | 0.20 | 0.18 | 0.20 | 0.13 | 0.20 | 0.03 |
| Central SBP - day | 0.19 | 0.19 | 0.21 | 0.11 | 0.20 | 0.03 |
| Central SBP - night | 0.21 | 0.17 | 0.18 | 0.17 | 0.20 | 0.04 |
| SD 24 h central SBP | 0.10 | 0.50 | 0.06 | 0.66 | 0.10 | 0.32 |
| SD day central SBP | 0.13 | 0.38 | 0.05 | 0.72 | 0.10 | 0.30 |
| SD night central SBP | 0.02 | 0.91 | -0.10 | 0.49 | -0.00 | 0.97 |
| Average real variability | 0.14 | 0.32 | -0.03 | 0.84 | 0.09 | 0.37 |
| Coefficient of variation | 0.19 | 0.19 | -0.01 | 0.94 | 0.05 | 0.62 |
| Nocturnal central SBP fall | -0.01 | 0.94 | 0.08 | 0.54 | 0.03 | 0.78 |
| Left atrium volume | ||||||
| Central SBP - 24 h | 0.28 | 0.08 | 0.32 | 0.04 | 0.30 | < 0.01 |
| Central SBP - day | 0.22 | 0.17 | 0.30 | 0.04 | 0.28 | < 0.01 |
| Central SBP - night | 0.36 | 0.03 | 0.33 | 0.03 | 0.33 | 0.001 |
| SD 24 h central SBP | -0.16 | 0.32 | 0.14 | 0.41 | 0.01 | 0.91 |
| SD day central SBP | -0.00 | 1.00 | 0.22 | 0.19 | 0.12 | 0.25 |
| SD night central SBP | -0.23 | 0.15 | -0.07 | 0.69 | -0.13 | 0.25 |
| Average real variability | 0.07 | 0.63 | 0.16 | 0.35 | 0.13 | 0.26 |
| Coefficient of variation | -0.30 | 0.08 | -0.04 | 0.82 | -0.19 | 0.11 |
| Nocturnal central SBP fall | -0.22 | 0.14 | -0.04 | 0.76 | -0.13 | 0.20 |
SBP, systolic blood pressure, SD, standard deviation, ß, standardized regression coefficient.