Table 3. Interdialytic ambulatory BP and indices of left ventricular structure at baseline.
Parameter | PWV Tertile Low | PWV Tertile Medium | PWV Tertile High | Overall | P value |
---|---|---|---|---|---|
N | 60 | 60 | 59 | 179 | |
44-hour ambulatory SBP (mmHg) | 148.1 ± 13.4 | 151.4 ± 13.2 | 155.8 ± 16.1 | 151.7 ± 14.5 | 0.01 |
44-hour ambulatory DBP (mmHg) | 88.8 ± 10.4 | 88.3 ± 12.7 | 86.1 ± 12.3 | 87.8 ± 11.8 | 0.41 |
44-hour heart rate (bpm) | 79.2 ± 11 | 82.9 ± 11.7 | 79.7 ± 13.2 | 80.6 ± 12 | 0.19 |
LVMI (g/m2) | 178.4 ± 53.6 | 176.6 ± 51.3 | 167.7 ± 38.8 | 174.4 ± 48.5 | 0.45 |
IVST (cm) | 1.54 ± 0.33 | 1.58 ± 0.3 | 1.52 ± 0.25 | 1.55 ± 0.29 | 0.54 |
LVPWT (cm) | 1.48 ± 0.3 | 1.55 ± 0.26 | 1.47 ± 0.21 | 1.5 ± 0.26 | 0.23 |
LVID (cm) | 5.06 ± 0.64 | 4.95 ± 0.77 | 4.96 ± 0.63 | 4.99 ± 0.68 | 0.64 |
Abbreviations: PWV = pulse wave velocity; SBP = systolic blood pressure; DBP = diastolic blood pressure; LVMI = left ventricular mass index; IVST = interventricular septal thickness; LVPWT = left ventricular posterior wall thickness; LVID = left ventricular internal diameter