Table 4 Comparison of two groups of IV iron interventions
From: Routine laboratory testing in hemodialysis: how frequently is it needed?
|  | With ≤ 4 interventions per year and less for Iron n = 110 | With > 4 interventions per year for Iron n = 100 | p-value |
|---|---|---|---|
Age, median (IQR) | 68 (61, 78) | 74 (65, 79.8) | 0.021* |
Sex, M/F (%) | 72/38 (65.5/34.5) | 59/41 (59/41) | 0.335** |
Dialysis vintage (months), median (IQR) | 36 (25, 67) | 32.5 (19, 64.3) | 0.234* |
Diabetes, n(%) | 53 (48.2) | 46 (46) | 0.752** |
Hypertension, n(%) | 106 (96.4) | 95 (95) | 0.739**** |
Smoking status, n(%) | 37 (33.6) | 43 (43) | 0.163** |
CAD, n(%) | 50 (45.5) | 32 (32) | 0.052** |
Cancer, n(%) | 18 (16.4) | 10 (10) | 0.175** |
Monthly dose of ESA, median (IQR) | 21,500 (14958.3, 44750.3) | 22,000 (14658.8, 37,875) | 0.612* |
Monthly dose of IV iron, mean ± SD | 1.1 ± 1.04 | 1.2 ± 1.1 | 0.874*** |
Yearly number of interventions in ESA prescription Mean ± SD | 3.8 ± 2.6 | 5.5 ± 2.3 | < 0.001*** |
Yearly number of interventions in IV iron prescription Mean ± SD | 2.2 ± 1.3 | 6.5 ± 1.4 | < 0.001*** |
Hemoglobin over one year, median (IQR) | 11.3 (10.8, 11.9) | 11.1 (10.8, 11.6) | 0.039* |
Ferritin over one year, Mean ± SD | 508.2 ± 287.5 | 561.9 ± 220.1 | 0.134*** |
TSAT over one year, median (IQR) | 0.25 (0.21, 0.30) | 0.26 (0.21, 0.32) | 0.423* |
URR over one year, mean ± SD | 0.75 ± 0.05 | 0.76 ± 0.05 | 0.316*** |
Serum potassium over one year, median (IQR) | 5.2 (4.8, 5.6) | 5.1 (4.6, 5.4) | 0.120* |