Table 2.
Mortality
| Variable | Survival | Death | p value |
|---|---|---|---|
| Gender (females in %) | 41.2 | 42.1 | 0.92 |
| Age (mean years) | 77.9 ± 0.7 | 79.7 ± 1.8 | 0.28 |
| In-hospital stay (mean days) | 17.4 ± 0.8 | 11.3 ± 1.5 | 0.001 |
| AKIN stage (1/2/3 in %) | 72.5/16.2/11.2 | 52.6/31.6/15.8 | 0.049 |
| Initial eGFR (ml/min) | 43.9 ± 1.6 | 42.4 ± 2.7 | 0.67 |
| Minimal eGFR (ml/min) | 25.6 ± 0.9 | 21 ± 1.5 | 0.034 |
| eGFR at demission (ml/min) | 41.9 ± 1.7 | 26 ± 2.5 | < 0.001 |
| Dialysis (%) | 6.2 | 23.7 | 0.001 |
| Initial sodium (mMol/L) | 137.7 ± 0.4 | 137.8 ± 0.8 | 0.9 |
| Sodium at AKI onset (mMol/L) | 138.5 ± 0.4 | 139.6 ± 1.1 | 0.26 |
| Initial potassium (mMol/L) | 4.4 ± 0.05 | 4.4 ± 0.1 | 0.9 |
| Potassium at AKI onset (mMol/L) | 4.3 ± 0.05 | 4.9 ± 0.13 | < 0.001 |
| Initial CRP (mg/L) | 32.2 ± 3.9 | 52.03 ± 12.3 | 0.05 |
| Peak CRP (mg/L) | 86.8 ± 6.7 | 144.7 ± 13.8 | < 0.001 |
| NT-proBNP (pg/mL) | 10,492 ± 967 | 18,729 ± 2362 | < 0.001 |
| Vasopressors (%) | 16.2 | 57.9 | < 0.001 |
| Ventilation (no/non-invasive/invasive in %) | 83.1/12.5/4.4 | 55.3/15.8/28.9 | < 0.001 |
| ICU treatment (no/1–3/4–10/ > 10 days in %) | 79.4/8.1/6.9/5.6 | 50/21.1/21.1/7.9 | 0.002 |
| Coronary angiography (no/before/after AKI onset in %) | 75.6/8.8/15.6 | 63.2/31.6/5.3 | < 0.001 |
| Hypertension (%) | 88.6 | 89.2 | 0.9 |
| Diabetes (no/non-insulin-dependent/insulin-dependent in %) | 46.2/14.4/39.4 | 45.9/13.5/40.5 | 0.98 |
| Pre-existing CKD (%) | 66.2 | 56.8 | 0.27 |
| Pre-existing CHF (%) | 54.7 | 63.9 | 0.31 |
| Pre-existing CAD (%) | 50.6 | 55.3 | 0.6 |
| Obesity (%) | 53.5 | 44.7 | 0.33 |
| BMI (mean in mg/qm) | 31.6 ± 0.7 | 23 ± 2.2 | < 0.001 |
| Hyperuricemia (%) | 24.5 | 16.2 | 0.27 |
| Neoplasia (%) | 24.5 | 30.6 | 0.45 |
Twenty-eight variables were compared between survivors and non-survivors. Results are either shown as mean ± SEM or as percentages
Statistically significant p values are in bold (p < 0.05)