Table 2. Characteristics of the 238 patients by gender and CKD stage.
| CKD Stage 3 | CKD Stage 4 | CKD Stage 5 | |||||
|---|---|---|---|---|---|---|---|
| Variable | |||||||
| Sex | N | Median (IQR) | N | Median (IQR) | N | Median (IQR) | |
| Age (years)* | M | 21 | 76 (69–81) | 36 | 75 (57–82) | 34 | 67 (57–81) |
| F | 22 | 74 (60–80) | 60 | 68 (58–78) | 65 | 69 (62–76) | |
| eGFR (ml/min)* | M | 21 | 38 (35–47) | 36 | 21 (17–25) | 34 | 10 (8–12) |
| F | 22 | 35 (32–38) | 60 | 20 (16–26) | 65 | 10 (7–12) | |
| Hemoglobin (g/dl)£ | M | 21 | 9.6 ± 1.2 | 36 | 9.5 ± 1.8 | 34 | 10.1 ± 1.4 |
| F | 22 | 9.6 ± .9 | 60 | 9.6 ± 1.4 | 65 | 9.5 ± 1.4 | |
| Ferritin (ng/ml)* | M | 21 | 230 (145–439) | 36 | 178 (83–308) | 34 | 166 (83–280) |
| F | 22 | 104 (77–203) | 60 | 154 (77–351) | 65 | 264 (89–429) | |
| TSAT (%)*,** | M | 9 | 22% (19% - 32%) | 21 | 19% (15% - 24%) | 25 | 18% (15% - 23%) |
| F | 14 | 16% (13% - 19%) | 41 | 23% (14% - 30%) | 43 | 19% (13% - 30%) |
*: Distribution departed significantly from a normal distribution, thus the median and its Interquartile Range (IQR = Q1- Q3) were used.
**: Original data, 153 observations with non-missing values.
£: mean ± standard deviation, for Hemoglobin has a normal distribution.