Table 1. Patient demographics and baseline clinical characteristics.
| CKD stage 2 – 3 (n = 22) | CKD stage 4 (n = 41) | CKD stage 5 (n = 45) | Total (n = 108) | |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Gender, n (%) | ||||
| Female | 14 (63.6) | 14 (34.1) | 21 (46.7) | 49 (45.4) |
| Male | 8 (36.4) | 27 (65.9) | 24 (53.3) | 59 (54.6) |
| Age (years), mean (SD) | 58.3 (15.7) | 72.8 (11.3) | 65.6 (16.3) | 66.9 (15.3) |
| Weight (kg), mean (SD) | 85.3 (19.9) | 79.9 (15.5) | 79.3 (19.0) | 80.8 (17.9) |
| Anemia status | ||||
| Anemic patients (WHO criteria)a, n (%) | 18 (81.8) | 40 (97.6) | 41 (91.1) | 99 (91.7) |
| Patients with Hb < 10 g/dL, n (%) | 4 (18.2) | 11 (26.8) | 15 (33.3) | 30 (27.8) |
| Clinical characteristics | ||||
| Hb (g/dL) | n = 22 | n = 41 | n = 45 | n = 108 |
| Mean (SD) | 10.9 (1.5) | 10.5 (1.0) | 10.5 (1.1) | 10.6 (1.2) |
| Ferritin (µg/L) | n = 21 | n = 35 | n = 36 | n = 92 |
| Mean (SD) | 56.2 (62.9) | 137.4 (179.1) | 132.4 (122.3) | 116.9 (140.4) |
| Median (IQR)b | 32.0 (14.0 – 66.0) | 89.0 (42.0 – 137.0) | 98.0 (48.5 – 164.5) | 76.5 (34.5 – 130.5) |
| TSAT (%) | n = 16 | n = 29 | n = 22 | n = 67 |
| Mean (SD) | 11.3 (6.8) | 18.4 (7.0) | 18.5 (8.5) | 16.7 (7.9) |
| CRP (mg/L) | n = 16 | n = 35 | n = 39 | n = 90 |
| Mean (SD) | 6.9 (7.7) | 10.4 (14.3) | 15.9 (24.6) | 12.2 (18.9) |
| Median (IQR)b | 3.8 (1.9 – 9.6) | 3.4 (1.3 – 13.0) | 5.3 (2.0 – 21.0) | 4.5 (2.0 – 13.0) |
aHb < 13 g/dL for men and Hb < 12 g/dL for women. bData not normally distributed are presented as median values. CKD = chronic kidney disease; CRP = C-reactive protein; Hb = hemoglobin; IQR = interquartile range; n = number of patients; SD = standard deviation; TSAT = transferrin saturation; WHO = World Health Organization.