All patients (n = 37) | Low IS group (n = 19) | High IS group (n = 18) | p valuea | |
---|---|---|---|---|
Sex (M/F) | 28/9 | 14/5 | 14/4 | 1.000 |
Age (y) | 69 ± 12 | 71 ± 11 | 68 ± 13 | 0.411 |
BMI (kg/m2) | 23.4 ± 4.7 | 22.4 ± 3.7 | 24.5 ± 5.5 | 0.187 |
Cause of ESKD (DM/CGN/NS/unknown) | 19/4/4/10 | 12/4/0/3 | 7/0/4/7 | |
Complication | ||||
Diabetes mellitus | 23 (62%) | 13 (68%) | 10 (56%) | 0.640 |
Hypertension | 27 (73%) | 13 (68%) | 14 (78%) | 0.787 |
Hyperlipidemia | 10 (27%) | 5 (26%) | 5 (28%) | 1.000 |
Laboratory data | ||||
Creatinine (mg/dL) | 8.62 ± 1.47 | 8.07 ± 1.21 | 9.19 ± 1.54 | 0.020* |
eGFR (mL/min/1.73m2) | 5.08 (3.78–7.97) | 5.50 (3.99–7.97) | 4.94 (3.78–6.07) | 0.118 |
Albumin (g/dL) | 2.94 ± 0.53 | 2.9 ± 0.6 | 3.0 ± 0.5 | 0.536 |
BUN (mg/dL) | 89.6 ± 25.5 | 87.1 ± 23.1 | 92.3 ± 28.1 | 0.541 |
Hemoglobin (g/dL) | 9.5 ± 1.4 | 9.4 ± 1.5 | 9.5 ± 1.2 | 0.823 |
Potassium (mEq/L) | 4.4 ± 0.8 | 4.4 ± 0.8 | 4.4 ± 0.8 | 0.899 |
Calcium (mg/dL) | 7.6 ± 0.9 | 7.6 ± 1.0 | 7.5 ± 0.9 | 0.572 |
Phosphorus (mg/dL) | 5.9 ± 1.1 | 5.6 ± 1.1 | 6.1 ± 1.2 | 0.195 |
AST (U/L) | 14 (6–54) | 14 (8–54) | 14 (6–26) | 0.726 |
CRP (mg/dL) | 0.20 (0.02–1.75) | 0.34 (0.02–1.75) | 0.12 (0.02–1.43) | 0.224 |
Ferritin (ng/mL) | 89.6 (10.3–419) | 133 (21.1–419) | 61.9 (10.3–314) | 0.022* |
TSAT (%) | 20 (8–59) | 21 (8–51) | 16 (8–59) | 0.315 |
IS concentration (μM) | 62 (11–182) | 44 (11–62) | 98 (63–182) | < 0.001* |
Drug | ||||
RAAS inhibitor | 22 (60%) | 13 (68%) | 9 (50%) | 0.420 |
Activated vitamin D | 15 (41%) | 7 (37%) | 8 (44%) | 0.892 |
Diuretics | 20 (54%) | 10 (53%) | 10 (56%) | 1.000 |
ESA | 33 (89%) | 15 (79%) | 18 (100%) | 0.126 |
Iron-containing agents | 8 (22%) | 6 (32%) | 2 (11%) | 0.266 |