Biological parameter | Recommended rangea | N | Total CUA cases | N | Non dialysis cases | N | Dialysis cases | N | Dialysis controls | P Value |
---|---|---|---|---|---|---|---|---|---|---|
At onset of lesions | ||||||||||
Total serum calcium (mmol/L) | 2.10–2.60 | 89 | 2.25 (2.12–2.35) | 19 | 2.25 (2.20–2.34) | 70 | 2.23 (2.11–2.38) | 138 | 2.18 (2.08–2.30) | 0.04 |
Adjusted serum calcium (mmol/L) | 2.10–2.60 | 88 | 2.50 (2.33–2.60) | 18 | 2.51 (2.43–2.68) | 70 | 2.48 (2.31–2.58) | 136 | 2.26 (2.16–2.40) | < 0.001 |
Serum phosphate (mmol/L) | 0.8–1.5 | 89 | 1.89 (1.50–2.34) | 19 | 1.98 (1.64–2.60) | 70 | 1.87 (1.46–2.29) | 138 | 1.42 (1.13–1.87) | < 0.001 |
Calcium phosphate product (mmol2/L2) | 88 | 4.35 (3.29–5.23) | 18 | 4.59 (3.70–5.74) | 70 | 4.21 (3.19–5.22) | 138 | 3.18 (2.50–4.01) | < 0.001 | |
iPTH (pg/mL) | 150–600 | 87 | 260 (114–605) | 17 | 115 (83–488) | 70 | 336 (141–605) | 136 | 272 (157–466) | 0.20 |
Normalized iPTH (N) | 2–9 | 87 | 5.3 (2.1–11.1) | 17 | 2.2 (1.6–10.6) | 70 | 5.3 (2.5–11.1) | 136 | 4.4 (2.4–8.4) | 0.04 |
iPTH outside of target range between 2 and 9 fold normal range | 87 | 51 (58.6%) | 17 | 14 (73.7%) | 70 | 37 (52.9%) | 136 | 58 (42.6%) | 0.16 | |
25-Hydroxyvitamin D (ng/mL) | > 30 | 68 | 28.5 (17.9–40.0) | 13 | 24.0 (10.0–34.0) | 55 | 29.9 (18.0–40.0) | 101 | 34.1 (22.0–47.6) | 0.18 |
Serum Albumin (g/L) | 35–45 | 88 | 30.9 (28.0–34.0) | 18 | 30.4 (23.9–34.3) | 70 | 31.5 (28.0–34.0) | 136 | 37.0 (33.3–39.2) | < 0.01 |
Serum Albumin variation between diagnosis and 6 months before (g/L) | 80 | −2.7 (−5.0; 1.6) | 12 | −3.8 (−8.5; −0.5) | 68 | −2.7 (−5.0; 2.0) | 134 | 1.3 (0.0; 4.0) | < 0.001 | |
CRP (mg/L) | < 5 | 87 | 29.0 (8.0–72.0) | 17 | 34.0 (17.5–72.0) | 70 | 23.5 (6.6–64.0) | 135 | 4.2 (1.0–13.8) | < 0.001 |
Hemoglobin (g/dL) | 10–11.5 | 89 | 10.4 (9.7–11.6) | 19 | 10.1 (9.7–11.7) | 70 | 10.6 (9.6–11.5) | 136 | 11.2 (10.1–12.0) | 0.007 |
Worst value within 6 months before onset of CUA | ||||||||||
Total serum calcium (mmol/L) | 2.10–2.60 | 86 | 2.34 (2.17–2.47) | 17 | 2.33 (2.29–2.38) | 69 | 2.35 (2.17–2.48) | 137 | 2.28 (2.20–2.37) | 0.30 |
Adjusted serum calcium (mmol/L) | 2.10–2.60 | 81 | 2.54 (2.37–2.68) | 13 | 2.54 (2.41–2.71) | 68 | 2.54 (2.30–2.67) | 135 | 2.43 (2.31–2.52) | 0.05 |
Serum phosphorus (mmol/L) | 0.8–1.5 | 86 | 2.16 (1.75–2.57) | 17 | 2.00 (1.55–2.11) | 69 | 2.25 (1.87–2.70) | 137 | 1.72 (1.44–2.15) | < 0.001 |
Calcium phosphate product (mmol2/L2) | 86 | 4.81 (4.24–6.02) | 17 | 4.30 (3.57–4.82) | 69 | 5.20 (4.44–6.50) | 137 | 3.94 (3.26–4.88) | < 0.001 | |
iPTH (pg/mL) | 150–600 | 75 | 355 (148–710) | 10 | 331 (210–580) | 65 | 435 (148–710) | 128 | 342 (173–526) | 0.10 |
Normalized iPTH (N) | 2–9 | 75 | 7.3 (3.3–12.2) | 10 | 6.5 (4.5–12.1) | 65 | 7.3 (3.3–12.2) | 128 | 5.3 (2.8–8.5) | 0.02 |
iPTH outside of target value between 2 and 9 fold normal range | 75 | 56 (62.9%) | 10 | 15 (79.0%) | 65 | 41 (63.1%) | 128 | 59 (46.1%) | 0.01 | |
25-Hydroxyvitamin D (ng/mL) | > 30 | 59 | 29.0 (15.0–42.8) | 9 | 13.0 (9.0–25.0) | 50 | 30.0 (18.0–43.0) | 101 | 36.1 (20.4–48.0) | 0.32 |
Serum Albumin (g/L) | 35–45 | 81 | 33.0 (29.0–37.0) | 13 | 32.9 (25.0–37.5) | 68 | 33.5 (29.0–37.0) | 135 | 34.0 (32.0–38.0) | 0.049 |
CRP (mg/L) | < 5 | 80 | 39.5 (14.0–79.6) | 13 | 32.0 (5.9–56.0) | 67 | 46.0 (14.1–79.9) | 133 | 13.4 (4.5–40.2) | 0.004 |