Variable | All N = 321 | Grade 0 N = 88 | Grade 1 N = 145 | Grade 2 N = 54 | Grade 3 N = 34 | p value |
---|---|---|---|---|---|---|
Age (year) | 64 ± 11 | 57 ± 11 | 65 ± 11 | 66 ± 8 | 73 ± 7 | < .001 |
Male, n (%) | 211 (65.7) | 59 (67.1) | 100 (69.0) | 29 (53.7) | 23 (67.7) | 0.245 |
Dialysis vintage (year) | 9.7 ± 8.2 | 8.2 ± 7.4 | 9.3 ± 8.0 | 12.8 ± 9.1 | 10.8 ± 8.5 | 0.010 |
Diabetes, n (%) | 131 (40.8) | 45 (51.1) | 56 (38.6) | 24 (44.4) | 6 (17.7) | 0.006 |
Hypertension, n (%) | 177 (55.1) | 41 (46.6) | 91 (62.8) | 31 (57.4) | 14 (41.2) | 0.032 |
Ischemic heart disease, n (%) | 65 (20.3) | 14 (15.9) | 31 (21.4) | 16 (29.6) | 4 (11.8) | 0.148 |
Stroke, n (%) | 84 (26.2) | 17 (19.3) | 35 (24.1) | 20 (37.0) | 12 (35.3) | 0.064 |
Serum albumin (g/dL) | 3.7 ± 0.3 | 3.7 ± 0.3 | 3.7 ± 0.3 | 3.6 ± 0.3 | 3.4 ± 0.3 | < .001 |
Hemoglobin (g/dL) | 10.0 ± 0.9 | 10.2 ± 0.9 | 9.9 ± 0.8 | 10.0 ± 1.0 | 9.9 ± 0.9 | 0.108 |
C-reactive protein (mg/dL) | 0.1 (0.0–0.3) | 0.1 (0.0–0.3) | 0.1 (0.0–0.4) | 0.1 (0.0–0.2) | 0.2 (0.0–0.4) | 0.525 |
Corrected serum calcium (mg/dL) | 9.2 ± 0.5 | 9.1 ± 0.6 | 9.2 ± 0.5 | 9.2 ± 0.5 | 9.4 ± 0.5 | 0.120 |
Serum phosphorus (mg/dL) | 5.9 ± 1.3 | 6.0 ± 1.5 | 5.9 ± 1.3 | 5.8 ± 1.2 | 5.8 ± 1.0 | 0.712 |
Alkaline phosphatase (U/L) | 252 ± 7 | 252 ± 14 | 248 ± 11 | 267 ± 17 | 250 ± 22 | 0.829 |
Magnesium (mg/dL) | 2.6 ± 0.02 | 2.6 ± 0.04 | 2.6 ± 0.03 | 2.6 ± 0.1 | 2.5 ± 0.1 | 0.308 |
Intact parathyroid hormone (pg/mL) | 177 ± 7 | 186 ± 14 | 165 ± 11 | 184 ± 18 | 195 ± 22 | 0.467 |
Use of CaCO3, n (%) | 209 (65.3) | 61 (70.1) | 99 (68.3) | 34 (63.0) | 15 (44.1) | 0.045 |
Use of Ca-free phosphate binders, n (%) | 179 (55.9) | 53 (60.9) | 80 (55%) | 28 (51.9) | 18 (52.9) | 0.705 |
Use of vitamin D3, n (%) | 117 (36.6) | 30 (34.5) | 57 (39.3) | 18 (33.3) | 12 (35.3) | 0.840 |