Table 4.
Cox regression shows the independent risk factors for renal function progression in patients with renal acute kidney injury
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| Characteristics | Relative risk | P | Relative risk | P |
| Age, years | 1.025 (1.006, 1.044) | 0.009 | ||
| Male sex | ||||
| Baseline estimated GFR (ml/min/1.73 m2) | 0.974 (0.959, 0.990) | 0.001 | ||
| Peak serum creatinine (mg/dl) | 1.002 (1.000, 1.003) | 0.009 | ||
| uKIM-1 (ng/mg) | 1.064 (1.036, 1.093) | 0.000 | 1.064 (1.024, 1.106) | 0.001 |
| FeNa ≥1 % | 4.510 (1.588, 12.806) | 0.005 | 9.538 (1.264, 72.006) | 0.029 |
| RFI ≥1 % | 5.486 (1.311, 22.945) | 0.020 | ||
GFR glomerular filtration rate, uKIM-1 urinary kidney injury molecule-1, FeNa fractional excretion of sodium, RFI renal failure index