Table 5.
Clinical characteristics according to the presence of chronic kidney disease
| Variable | Without prior CKD | With prior CKD | P |
|---|---|---|---|
| Age (y) | 61.1±17.1 | 69.7±12.1 | <0.001 |
| Male sex | 64.4 | 49.3 | 0.051 |
| Baseline Cr (mg/dL) | 0.90±0.17 | 1.45±0.34 | <0.001 |
| Baseline eGFR (mL/min/1.73 m2) | 84.6±17.6 | 47.8±14.7 | <0.001 |
| At the time of RRT initiation | |||
| Vasoactive drugs | 51.5 | 38.0 | 0.077 |
| Mechanical ventilation | 47.7 | 36.6 | 0.140 |
| Modality of RRT (CRRT) | 64.4 | 43.7 | 0.005 |
| MODS | 28.8 | 14.1 | 0.024 |
| Serum Cr (mg/dL) | 5.57±3.0 | 3.14±1.57 | 0.003 |
| Anuric AKI | 24.6 | 13.9 | 0.056 |
| Anuria+Oliguric AKI | 55.3 | 34.7 | 0.007 |
| Peak serum Cr (mg/dL) | 4.97±2.66 | 5.74±2.88 | 0.070 |
| Outcome | |||
| In-hospital mortality | 50.8 | 33.8 | 0.026 |
| RRT dependence for at least 3 mo | 16.9 | 19.1 | 0.806 |
Data are presented as mean±SD values or %.
AKI, acute kidney injury; CKD, chronic kidney disease; Cr, creatinine; CRRT, continuous renal replacement therapy; eGFR, estimated glomerular filtration rate; MODS, multiple organ dysfunction syndrome; RRT, renal replacement therapy; SD, standard deviation.