Table 1.
Patients’ baseline characteristics
| Variable | Baseline characteristics |
|---|---|
| Gender (females/males) | 82 (41.4%)/116 (58.6%) |
| Age (mean years ± SD) | 78.2 ± 9.4 |
| In-hospital stay (mean days ± SD) | 16.3 ± 10.5 |
| AKIN stage (1/2/3) | 136 (68.7%)/38 (19.2%)/24 (12.1%) |
| Initial eGFR (ml/min ± SD) | 43.6 ± 20 |
| Minimal eGFR (ml/min ± SD) | 24.77 ± 12.0 |
| eGFR at demission (ml/min ± SD) | 38.8 ± 21.6 |
| Initial sodium (mMol/L ± SD) | 137.7 ± 5.1 |
| Sodium at AKI onset (mMol/L ± SD) | 138.7 ± 5.2 |
| Initial potassium (mMol/L ± SD) | 4.4 ± 0.7 |
| Potassium at AKI onset (mMol/L ± SD) | 4.4 ± 0.7 |
| Initial CRP (mg/L ± SD) | 36 ± 56 |
| Peak CRP (mg/L ± SD) | 98 ± 88 |
| NT-proBNP (pg/mL ± SD) | 12,101 ± 12,169 |
| Vasopressors | 48 (24.2%) |
| Ventilation (no/non-invasive/invasive) | 154 (77.8%)/26 (13.1%)/18 (9.1%) |
| ICU treatment (no/1–3/4–10/ > 10 days) | 146 (73.7%)/21 (10.6%)/19 (9.6%)/12 (6.1%) |
| Coronary angiography (no/before/after AKI onset) | 145 (73.2%)/26 (13.1%)/27 (13.6%) |
| Hypertension | 173 (88.7%) |
| Diabetes (no/non-insulin-dependent/insulin-dependent) | 91 (46.2%)/28 (14.2%)/78 (39.6%) |
| Pre-existing CKD | 127 (64.5%) |
| Pre-existing CHF | 110 (56.4%) |
| Pre-existing CAD | 102 (51.5%) |
| Obesity | 102 (51.5%) |
| BMI (mean in mg/qm ± SD) | 30.3 ± 9.8 |
| Hyperuricemia | 45 (23%) |
| Neoplasia | 50 (25.6%) |