Table 1 Clinical variables of the 120 patients with low or high arterial stiffness
Characteristics | All Patients (n = 120) | Low Arterial Stiffness Group (n = 67) | High Arterial Stiffness Group (n = 53) | p value |
|---|---|---|---|---|
Demographics | ||||
Age (years) | 63.3 ± 13.7 | 61.7 ± 14.1 | 65.4 ± 13.2 | 0.144 |
Female gender | 60 (50.0) | 35 (52.2) | 25 (47.2) | 0.851 |
HD duration (years) | 4.7 (2.0–9.8) | 5.8 (1.8–11.1) | 4.6 (2.3–7.1) | 0.434 |
Examination | ||||
Height (cm) | 159.6 ± 8.5 | 158.9 ± 8.9 | 160.6 ± 8.0 | 0.290 |
Body weight (kg) | 61.5 ± 14.6 | 63.3 ± 16.3 | 65.5 ± 13.8 | 0.444 |
BMI (kg/m2) | 25.1 ± 5.0 | 24.9 ± 5.4 | 25.3 ± 4.5 | 0.681 |
SBP (mmHg) | 142.2 ± 25.2 | 137.9 ± 26.3 | 147.5 ± 22.8 | 0.038* |
DBP (mmHg) | 76.8 ± 16.6 | 76.2 ± 15.5 | 77.5 ± 18.0 | 0.669 |
cfPWV (m/s) | 9.30 (7.63–12.37) | 7.80 (7.10–8.80) | 12.6 (11.40–15.25) | < 0.001* |
Laboratory data | ||||
Total cholesterol (mg/dL) | 144.2 ± 32.3 | 145.0 ± 35.8 | 143.2 ± 27.6 | 0.582 |
Glucose (mg/dL) | 131.5 (110.3–172.8) | 129.0 (110.0–163.0) | 134.0 (110.5–185.0) | 0.235 |
BUN (mg/dL) | 61.9 ± 14.5 | 61.9 ± 13.1 | 61.9 ± 16.2 | 0.978 |
Creatinine (mg/dL) | 9.2 ± 2.0 | 9.3 ± 2.0 | 9.0 ± 2.0 | 0.397 |
Corrected calcium (mg/dL) | 8.8 ± 0.6 | 8.6 ± 0.7 | 9.0 ± 0.8 | 0.007* |
Phosphorus (mg/dL) | 4.8 ± 1.2 | 4.8 ± 1.3 | 4.9 ± 1.2 | 0.573 |
C-reactive protein (mg/dL) | 0.31 (0.08–0.89) | 0.30 (0.08–1.01) | 0.34 (0.09–0.74) | 0.830 |
Intact PTH (pg/mL) | 190.0 (58.5–355.3) | 239.3 (114.4–372.5) | 141.1 (44.4–339.9) | 0.066 |
OPG (pg/L) | 286.2 (209.0–343.6) | 247.9 (187.8–332.2) | 316.3 (246.2–413.3) | < 0.001* |
Kt/V (Gotch) | 1.34 ± 0.17 | 1.35 ± 0.18 | 1.34 ± 0.16 | 0.717 |
Comorbid conditions | ||||
Diabetes mellitus, s (%) | 56 (46.7) | 22 (32.8) | 33 (64.2) | 0.001* |
Hypertension, n (%) | 60 (50.0) | 29 (43.3) | 31 (58.5) | 0.098 |
CAD, n (%) | 78 (65.0) | 39 (58.2) | 39 (73.6) | 0.079 |
Medications | ||||
ACEIs or ARBs, n (%) | 41 (34.2) | 21 (31.3) | 20 (37.7) | 0.463 |
β-Blockers, n (%) | 33 (20.6) | 19 (28.4) | 14 (26.4) | 0.813 |
CCBs, n (%) | 44 (27.5) | 27 (40.3) | 17 (32.1) | 0.353 |
Statins, n (%) | 17 (14.2) | 7 (10.4) | 10 (18.9) | 0.189 |