Table 4.
Clinical characteristics of participants stratified by tertile of calcium x phosphorus product
| Characteristic | 1: ≤ 35.99n = 45 | 2:36-46.10n = 44 | 3: ≥ 46.11n = 44 | P |
|---|---|---|---|---|
| Age in years | 63.2 ± 13 | 62.6 ± 9.0 | 59.5 ± 10.9 | NS |
| Gender (M/F) | 27/18 | 27/17 | 21/23 | NS |
| CKD stage 3/4 | 40/5 | 40/4 | 27/17 | <0.05 |
| BMI (Kg/m2) | 26.4 ± 3.0 | 26.2 ± 2.6 | 25.7 ± 2.5 | NS |
| Diabetes | 14 (31.1%) | 14 (31.8%) | 13 (29.5%) | NS |
| eGFR (ml/min per 1.73m2) | 37.1 ± 6.5 | 35.2 ± 5.0 | 29.9 ± 6.5 | <0.001 |
| Albumin (g/dl) | 4.00 ± 0.35 | 4.04 ± 0.26 | 4.08 ± 0.32 | NS |
| Total cholesterol (mg/dl) | 188 ± 35 | 182 ± 36 | 185 ± 29 | NS |
| LDL-cholesterol (mg/dl) | 111 ± 24 | 104 ± 23 | 105 ± 25 | NS |
| HDL-cholesterol (mg/dl) | 45 ± 8 | 46 ± 8 | 42 ± 6 | NS |
| Triglycerides (mg/dl) | 174 ± 55 | 165 ± 56 | 167 ± 50 | NS |
| Ca (mg/dl) | 9.3 ± 0.5 | 9.4 ± 0.7 | 9.5 ± 0.5 | NS |
| P | 3.2 ± 0.5 | 4.3 ± 0.3 | 5.8 ± 0.6 | <0.001 |
| Intact PTH (pg/ml) | 126.7 ± 73.3 | 171.9 ± 83.9 | 234 ± 100 | <0.001 |
| UAE (mg/g) | 1412 ± 1132 | 1625 ± 1305 | 1174 ± 854 | NS |
| C-reactive protein (mg/l) | 0.76 (0.30-7.20) | 0.90 (0.3-4.6) | 2.42 (0.30-9.70) | <0.001 |
| IL-6 (pg/ml) | 4.4 (1.1-17) | 5.34 (1.1-12) | 10.7 (2.1-25) | <0.0001 |