Table 4.
Comparison of clinical parameters between H-CPP holders and non-holders. Statistical difference was evaluated by Mann-Whitney U-test. See Table 1 for abbreviations.
| Variable (Unit) | Median (25–75%) | p | |
|---|---|---|---|
| H-CPP = 0 (N = 99) | H-CPP > 0 (N = 49) | ||
| Age (years) | 62.0 (55.5–73.0) | 68.0 (58.0–76.0) | 0.0669 |
| serum Ca (mg/dl) | 9.4 (9.1–9.7) | 9.3 (9.0–9.6) | 0.2450 |
| eGFR (ml/min/1.73m3) | 46.0 (30.0–69.5) | 33.0 (20.0–52.0) | 0.0158 |
| serum FGF23 (pg/ml) | 59.9 (43.6–80.5) | 82.4 (49.2–122.0) | 0.0095 |
| serum iPTH (pg/ml) | 42.5 (31.6–69.5) | 60.0 (43.0–109.0) | 0.0038 |
| serum Mg (mg/dl) | 2.1 (1.9–2.2) | 2.1 (1.9–2.4) | 0.3910 |
| serum 1,25(OH)2D3 (pg/ml) | 42.0 (31.6–55.5) | 38.0 (24.8–48.5) | 0.0194 |
| serum P (mg/dl) | 3.2 (2.9–3.4) | 3.5 (3.1–4.1) | 0.0005 |
| Total CPP (AU) | 17404 (10127–47393) | 66053 (27852–163121) | 1.87 × 10–6 |
| L-CPP (AU) | 19692 (11234–60716) | 55781 (25553–115205) | 0.0015 |