Table 3.
Clinical characteristics and outcomes of patients with acute kidney injury who required renal replacement therapy
| Anuric AKI (n=43) | Oliguric AKI (n=57) | Nonoliguric AKI (n=103) | P⁎ | P1† | P2‡ | |
|---|---|---|---|---|---|---|
| At start of dialysis | ||||||
| Serum Cr (mg/dL) | 3.8±2.2 | 4.2±2.8 | 4.9±2.9 | 0.071 | 0.050 | 0.091 |
| ICU treatment | 81.4 | 86.0 | 70.9 | 0.071 | 0.030 | 0.543 |
| Vasoactive drugs | 53.5 | 49.1 | 42.7 | 0.453 | 0.262 | 0.390 |
| Mechanical ventilator | 46.5 | 50.9 | 38.9 | 0.215 | 0.095 | 0.492 |
| RRT mode (CRRT) | 72.1 | 64.9 | 46.6 | 0.007 | 0.003 | 0.036 |
| MODS | 39.5 | 29.8 | 13.6 | 0.002 | 0.001 | 0.008 |
| Peak serum Cr (mg/dL) | 5.3±2.7 | 5.0±2.8 | 5.4±2.9 | 0.701 | 0.465 | 0.980 |
| In-hospital deaths | 60.5 | 52.6 | 34.0 | 0.005 | 0.002 | 0.025 |
| Survivors (n=112) | ||||||
| RRT dependence for at least 3 mo | 41.2 | 22.2 | 10.3 | 0.010 | 0.012 | 0.013 |
Data are presented as mean±SD values or %.
ANOVA, analysis of variance; AKI, acute kidney injury; CRRT, continuous renal replacement therapy; Cr, creatinine; ICU, intensive care unit; MODS, multiple organ dysfunction syndrome; RRT, renal replacement therapy; SD, standard deviation.
⁎
P obtained by one-way ANOVA or χ2 test among three groups.
†
P1 obtained by Student t test or Fisher’s exact test between two groups (anuric+oliguric vs. nonoliguric).
‡
P2 between two groups (anuric vs. oliguric+nonoliguric).