Table 4.
Dialysis
| Variable | No dialysis | Dialysis | p value |
|---|---|---|---|
| Gender (females in %) | 40.8 | 47.4 | 0.57 |
| Age (mean years) | 77.6 ± 0.7 | 84.6 ± 1.4 | 0.002 |
| In-hospital stay (mean days) | 16 ± 0.7 | 19 ± 2.8 | 0.32 |
| AKIN stage (1/2/3 in %) | 73.7/20.7/5.6 | 21.1/5.3/73.7 | < 0.001 |
| Initial eGFR (ml/min) | 45.4 ± 1.5 | 26.6 ± 2.8 | < 0.001 |
| Minimal eGFR (ml/min) | 26.1 ± 0.8 | 11.7 ± 1.4 | < 0.001 |
| eGFR at demission (ml/min) | 41.3 ± 1.6 | 15.7 ± 2.2 | < 0.001 |
| Initial sodium (mMol/L) | 137.8 ± 0.3 | 136.7 ± 1.4 | 0.46 |
| Sodium at AKI onset (mMol/L) | 139 ± 0.37 | 136.2 ± 1.6 | 0.087 |
| Initial potassium (mMol/L) | 4.4 ± 0.05 | 4.6 ± 0.17 | 0.6 |
| Potassium at AKI onset (mMol/L) | 4.4 ± 0.05 | 5 ± 0.18 | < 0.001 |
| Initial CRP (mg/L) | 34.4 ± 3.9 | 51.1 ± 18.7 | 0.52 |
| Peak CRP (mg/L) | 96.2 ± 6.5 | 114.7 ± 21.6 | 0.28 |
| NT-proBNP (pg/mL) | 11,410 ± 966 | 18,274 ± 3,153 | 0.016 |
| Vasopressors (%) | 20.1 | 63.2 | < 0.001 |
| Ventilation (no/non-invasive/invasive in %) | 78.2/12.8/8.9 | 73.7/15.8/10.5 | 0.9 |
| ICU treatment (no/1–3/4–10/ > 10 days in %) | 74.3/11.2/8.4/6.1 | 68.4/5.3/21.1/5.3 | 0.31 |
| Coronary angiography (no/before/after AKI onset in %) | 74.9/11.2/14 | 57.9/31.6/10.5 | 0.04 |
| Hypertension (%) | 89.2 | 84.2 | 0.5 |
| Diabetes (no/non-insulin-dependent/insulin-dependent in %) | 45.5/14.6/39.9 | 52.6/10.5/36.8 | 0.8 |
| Pre-existing CKD (%) | 60.7 | 100 | < 0.001 |
| Pre-existing CHF (%) | 55.7 | 63.2 | 0.53 |
| Pre-existing CAD (%) | 50.8 | 57.9 | 0.55 |
| Obesity (%) | 51.7 | 52.6 | 0.93 |
| BMI (mean in mg/qm) | 30.6 ± 0.7 | 27 ± 3.2 | 0.73 |
| Hyperuricemia (%) | 23.2 | 21.2 | 0.83 |
| Neoplasia (%) | 26.1 | 21.1 | 0.63 |
As opposed to the mortality analyses, 27 variables were analyzed (dialysis excluded). Results are either shown as mean ± SEM or as percentages
Statistically significant p values are in bold (p < 0.05)