From: Routine laboratory testing in hemodialysis: how frequently is it needed?
 | With ≤ 5 interventions per year for ESA n = 120 | With > 5 interventions per year for ESA n = 90 | P-value |
---|---|---|---|
Age, median (IQR) | 72 (61, 78) | 72 (63, 79.3) | 0.422* |
Sex, M/F (%) | 77/44 (64.2/35.8) | 54/36 (60/40) | 0.537** |
Dialysis vintage (months), Median (IQR) | 40 (25, 72) | 31 (18, 49.3) | 0.011* |
Diabetes, n(%) | 54 (45) | 45 (50) | 0.473** |
Hypertension, n(%) | 116 (96.7) | 85 (94.4) | 0.502*** |
Smoking status, n(%) | 50 (41.7) | 30 (33.3) | 0.218** |
CAD, n(%) | 53 (44.2) | 29 (32.6) | 0.09** |
Cancer, n(%) | 14 (11.7) | 14 (15.6) | 0.412** |
RAAS inhibitors intake, n(%) | 12 (10) | 11 (12.2) | 0.61** |
Monthly dose of ESA, Median (IQR) | 22333.5 (10,250, 45624.8) | 21,333 (17249.8, 37,500) | 0.853* |
Monthly dose of IV iron, Mean ± SD | 1.04 ± 1.02 | 1.29 ± 1.13 | 0.005**** |
Yearly number of interventions in ESA prescription Mean ± SD | 2.8 ± 1.7 | 7.1 ± 1.1 | < 0.001**** |
Yearly number of interventions in IV iron prescription Mean ± SD | 3.7 ± 2.7 | 5.0 ± 2.1 | < 0.001**** |
Hemoglobin over one year, Median (IQR) | 11.5 (10.9, 11.9) | 11.0 (10.6, 11.4) | < 0.001* |
Ferritin over one year, Mean ± SD | 459.8 ± 260.9 | 633.8 ± 219.2 | < 0.001**** |
TSAT over one year, Median (IQR) | 0.25 (0.20, 0.29) | 0.28 (0.22, 0.35) | 0.002* |
Serum calcium over one year, Mean ± SD | 9.0 ± 0.5 | 9.0 ± 0.4 | 0.770**** |
Serum phosphate over one year, Mean ± SD | 4.5 ± 1.04 | 4.3 ± 1.1 | 0.217**** |
PTH, over one year, Median (IQR) | 270.0 (166.8, 509.0) | 175.4 (101.4, 312.7) | 0.001* |
URR over one year, Mean ± SD | 0.74 ± 0.05 | 0.77 ± 0.05 | 0.002**** |
Serum potassium over one year, Median (IQR) | 5.1 (4.8, 5.6) | 5.1 (4.7, 5.4) | 0.215* |