Table 3.
Clinical characteristics of participants stratified by tertile of phosphorus
| Characteristic | 1: ≤ 3.89 mg/dl n = 44 | 2: 3.90-4.99 mg/dl n = 46 | 3: ≥ 5 mg/dl n = 43 | P |
|---|---|---|---|---|
| Age in years | 62.1 ± 12.5 | 63.2 ± 9.9 | 60 ± 10.9 | NS |
| Gender (M/F) | 26/18 | 27/19 | 22 21 | NS |
| CKD stage 3/4 | 41/3 | 41/5 | 25/18 | <0.05 |
| BMI (Kg/m2) | 26.6 ± 2.9 | 26.2 ± 2.5 | 26.1 ± 2.4 | NS |
| Diabetes | 14 (31.8%) | 14 (30.4%) | 13 (30.2%) | NS |
| eGFR (ml/min per 1.73m2) | 37.9 ± 6 | 34.8 ± 5.2 | 29.4 ± 6.4 | <0.01 |
| Albumin (g/dl) | 3.98 ± 0.35 | 4.05 ± 0.26 | 4.08 ± 0.33 | NS |
| Total cholesterol (mg/dl) | 185 ± 34 | 177 ± 38 | 177 ± 28 | NS |
| LDL-cholesterol (mg/dl) | 107 ± 23 | 99 ± 26 | 96 ± 27 | NS |
| HDL-cholesterol (mg/dl) | 46 ± 8 | 44 ± 8 | 43 ± 5 | NS |
| Triglycerides (mg/dl) | 172 ± 56 | 163 ± 43 | 171 ± 61 | NS |
| Ca (mg/dl) | 9.3 ± 0.4 | 9.3 ± 0.6 | 9.4 ± 0.5 | NS |
| C x P | 30.2 ± 4.9 | 40.8 ± 3.85 | 55.1 ± 5.5 | <0.001 |
| Intact PTH (pg/ml) | 126.8 ± 71.5 | 171.9 ± 84.6 | 235.3 ± 101.3 | <0.001 |
| UAE (mg/g) | 1524 ± 1104 | 1612 ± 1358 | 1147 ± 898 | NS |
| C-reactive protein (mg/l) | 0.72 (0.30-7.2) | 0.90 (0.3-4.6) | 2.6 (0.3-9.7) | <0.001 |
| IL-6 (pg/ml) | 4.2 (1.1-17) | 5.35 (1.1-12) | 11.3 (2.1-25) | <0.001 |