Table 1.
Baseline Characteristics of study populations.
| Candidate Predictors | Derivation | Validation |
|---|---|---|
| N | 1835 | 1219 |
| Cardiovascular Deaths, n (%) | 261 (14.2) | 176 (14.4) |
| Male Gender, n (%) | 1074 (58.5) | 716 (58.2) |
| Primary Glomerular Disease, n (%) | 871 (41.3) | 575 (42.0) |
| Age, years | 48.8 (38.0 to 59.0) | 49.0 (38.5 to 59.0) |
| Haemoglobin, g/L | 88.0 (75.0 to 102.0) | 88.0 (74.0 to 102.0) |
| Packed cell volume | 19.4 (2.3 to 27.8) | 18.5 (2.8 to 27.2) |
| Reticulocyte, % | 35.0 (13.2 to 60.2) | 34.0 (12.4 to 61.3) |
| Phosphorus, mg/dl | 1.8 (1.4 to 2.2) | 1.8 (1.4 to 2.2) |
| Albumin, g/L | 33.5 (29.8 to 37.9) | 33.7 (29.6 to 37.7) |
| Total iron binding capacity, μmol/L | 45.0 (34.9 to 52.0) | 44.5 (35.0 to 53.0) |
| FeTIBC, mmol/L | 24.7 (21.0 to 41.61) | 25.4 (20.8 to 40.4) |
| Creatinine, µmol/L | 842.6 (634.0 to 1061.0) | 822.5 (631.0 to 1071.0) |
| estimated Glomerular Filtration rate, mL/min/1.73 m2 | 4.8 (3.6 to 6.9) | 4.7 (3.5 to 6.5) |
| Transferrin, mg/dl | 200.0 (125.0 to 429.7) | 822.5 (631 to 1071) |
| Total protein, g/L | 57.8 (52.3 to 63.1) | 57.5 (51.8 to 63.0) |
| Prealbumin, mg/L | 291.0 (199.3 to 362.0) | 298.0 (188.0 to 364.0) |
| Total Cholesterol, mmol/L | 4.4 (3.6 to 5.2) | 4.5 (3.6 to 5.2) |
| Low density lipoprotein, mmol/L | 2.6 (1.9 to 3.4) | 2.6 (2.0 to 3.4) |
| Fasting glucose, mmol/L | 5.0 (4.3 to 6.0) | 4.9 (4.3 to 5.9) |
| Sodium, mEq/L | 140.0 (136.9 to 142.5) | 139.7 (136.8 to 142.0) |
| C-reaction protein, mg/dl | 2.6 (1.0 to 5.7) | 2.1 (1.0 to 4.9) |
| Body mass index, kg/m2 | 22.7 (20.6 to 24.9) | 22.7 (20.8 to 24.8) |
| Systolic blood pressure, mmHg | 145.0 (135.0 to 159.0) | 143.0 (135.0 to 158.2) |
| Diastolic blood pressure, mmHg | 86.0 (80.0 to 95.0) | 87.0 (80.0 to 95.0) |
| Cardiovascular diseases, n (%) | 842 (45.9) | 542 (44.5) |
| Type 2 Diabetes, n (%) | 261 (14.2) | 188 (15.4) |
| Taking antihypertensive treatment, n (%) | 765 (41.7) | 492 (40.4) |
Binary variable are displayed as numbers (percentage) and continuous variables are displayed as median (interquartile).