Table 1.
Baseline characteristics of the study population, and of patients who reached 10 mL of GFR, or less.
| All Cases | Pts Who Reached 10 mL of GFR (Data at Start of Diet) | |
|---|---|---|
| N | 449 | 148 |
| Years of observation | 847 | 205 * |
| Males (%) | 276 (61.5%) | 88 (59.5%) |
| Females (%) | 173 (38.5%) | 60 (40.5%) |
| Age: median (min–max) | 70 (19–97) | 68.5 (23–93) |
| Age over 65 (%) | 274 (61%) | 82 (55.4%) |
| Age over 80 (%) | 73 (16.3%) | 16 (10.8%) |
| Charlson: median (min–max) | 7 (2–13) | 6.5 (2–12) |
| Charlson ≥ 7 (%) | 246 (54.8%) | 74 (50%) |
| Charlson ≥ 10 (%) | 71 (15.8%) | 13 (8.8%) |
| Diabetes (%) | 149 (33.2%) | 51 (34.5%) |
| Cardiopathy (%) | 208 (46.3%) | 58 (39.2%) |
| Neoplasia (%) | 97 (21.6%) | 27 (18.2%) |
| sCreatinine (mg/dL) median (min–max) | 2.8 (0.6–16) | 4.0 (1.5–16) |
| e-GFR-EPI (mL/min) median (min–max) | 20 (3–127) | 13.8 (3.0–49.5) |
| Proteinuria (g/day) median (min–max) | 0.8 (0.1–11) | 1.5 (0.1–11) |
| Proteinuria ≥ 1 g/day (%) | 202 (45.4%) | 92 (63.4%) |
| Glomerulonephritis-systemic disease (%) | 95 (21.2%) | 38 (25.7%) |
| Nephroangiosclerosis and/or diabetes (%) | 265 (59.0%) | 80 (54.1%) |
| ADPKD (%) | 24 (5.3%) | 10 (6.8%) |
Legend: Charlson: Charlson’s comorbidity Index. E-GFR EPI: GFR according to the CKD-EPI equation. GFR: Glomerular Filtration Rate. EPI: Epidemiology Collaboration. ADPKD: autosomal dominant polycystic kidney disease. * Years of observation after the first recording of an e-GFR at or below 10 mL/min.