From: Need for renal replacement therapy in ICU is a marker of morbidity
 | Patients in ARF with RRT | Patients in ARF without RRT |  | ||
---|---|---|---|---|---|
Number of OFS | n | ICU mortality (%) | n | ICU mortality (%) | P |
Total | 650 | 57.5 | 1742 | 40.3 | < 0.001 |
ARF alone | 60 | 10 | 552 | 9.2 | NS |
ARF + 1 other | 163 | 38.7 | 551 | 34.7 | NS |
ARF + 2 other | 266 | 64.3 | 419 | 67.1 | NS |
ARF + 3 other | 121 | 79.3 | 150 | 80 | NS |
ARF + 4 other | 37 | 94.6 | 63 | 81 | NS |
ARF + ≥ 5 other | 3 | 100 | 7 | 100 | NS |