Clinical condition of patients when first seen by the nephrologist
| Survivors | Non-survivors | Mortality (%) | p value | |
| Primary urinary tract problem (n) | 37 | 0 | 0 | |
| Hypotension | 2 | — | 0 | |
| Assisted respiration | 2 | — | 0 | |
| Oliguria | 17 | — | 0 | |
| Need for dialysis | 7 | — | 0 | |
| SCr (μmol/l) | 3.13 (2.79) | — | ||
| FENa (%) | 5.61 (3.44) | — | ||
| BUN (mmol/l) | 19.3 (11.1) | — | ||
| Non-primary urinary tract problem (n) | 30 | 25 | 45 | |
| Hypotension | 7 | 15 | 68 | 0.01 |
| Assisted respiration | 4 | 12 | 75 | 0.01 |
| Oliguria | 8 | 10 | 55.5 | 0.45 |
| Need for dialysis | 4 | 15 | 78.9 | 0.00 |
| SCr (μmol/l) | 208 (118) | 256 (120) | 0.05 | |
| FENa (%) | 4.97 (8.43) | 7.5 (8) | 0.81 | |
| BUN (mmol/l) | 15.2 (9.1) | 28.6 (16.7) | 0.00 |
Values are mean (SD).
FENa, fractional excretion of sodium.