Table 2 Comparison between demographic, clinical and laboratory variables at study enrolment in patients with a high and a low coronary calcium score
Variable | CaCs ≥400 HU (n = 84) | CaCs < 400 HU (n = 53) | p |
|---|---|---|---|
Age (years) | 65.2 (±11.7) | 56.3 (±14.9) | < 0.001* |
Haemodialysis vintage (months) | 56.2 (±65.1) | 29.8 (±43.8) | 0.025* |
Haemodialysis (%) | 71.1 (n = 59) | 28.9 (n = 24) | 0.004 |
Hypertension (%) | 62 (n = 76) | 38 (n = 46) | 0.58 |
Diabetes mellitus (%) | 83.8 (n = 32) | 16.2 (n = 6) | < 0.001 |
Smoker (%) | 66.7 (n = 20) | 33.3 (n = 10) | 0.10 |
Previous stroke event (%) | 15 (n = 12) | 5.8 (n = 3) | 0.16 |
Previous cardiologic event (%) | 88.2 (n = 31) | 11.2 (n = 4) | < 0.001 |
Antiplatelet use (%) | 81.2 (n = 39) | 18.8 (n = 9) | < 0.001 |
Calcium salt use (%) | 63.4 (n = 46) | 36.6 (n = 26) | 0.59 |
Phosphate binder use (%) | 48.8 (n = 40) | 31.4 (n = 15) | 0.07 |
Vitamin D use (%) | 64.8 (n = 47) | 35.2 (n = 25) | 0.37 |
Cholesterol (mg/dl) | 170 (±39.6) | 183 (±49.1) | 0.085 |
LDL- cholesterol (mg/dl) | 87.8 (±36.7) | 101 (±40.2) | 0.12 |
HDL-cholesterol (mg/dl) | 43.1 (±11.1) | 44.1 (±11.6) | 0.72 |
Triglycerides (mg/dl) | 177 (±107) | 145 (±87.4) | 0.01* |
Uric acid (mg/dl) | 6.97 (±1.59) | 7.01 (±1.48) | 0.89 |
HbA1c (%) | 6.69 (±1.69) | 6.17 (±1.41) | 0.39 |
Albumin (g/dl) | 3.94 (±0.41) | 4.21 (±0.43) | 0.001 |
eGFR (ml/min/m2) | 12.3 (±9.65) | 16.8 (±10.9) | 0.045* |
Creatinine (mg/dl) | 7.58 (±3.75) | 6.48 (±3.77) | 0.01* |
Urea (mg/dl) | 152 (±48.9) | 150 (±49.8) | 0.75 |
Phosphorous (mg/dl) | 4.87 (±1.32) | 4.85 (±1.58) | 0.39* |
Calcium (mg/dl) | 9.35 (±0.7) | 9.41 (±0.75) | 0.65 |
Calcium - phosphorus product | 45.3 (±12.1) | 45.6 (±15.4) | 0.48* |
Bicarbonate (mmol/l) | 19.7 (±5.09) | 19.3 (±4.83) | 0.62 |
Intact PTH (pg./ml) | 333 (±414) | 324 (±326) | 0.52* |
TSH (uIU/ml) | 4.52 (±10.9) | 1.8 (±1.1) | 0.48* |
C-reactive protein (mg/l) | 15.7 (±27.6) | 12.8 (±23.4) | 0.43* |