Table 2.
Patient characteristics and clinical parameters
| Total group | Conservative | RRT | P-value of difference | |
|---|---|---|---|---|
| Number | n = 1,303 | n = 653 | n = 650 | |
| Age: mean (range) | 66 (15 to 96) | 67 (16 to 93) | 64 (15 to 96) | <.001 |
| Male | 63.1% | 62.8% | 63.5% | |
| Female | 36.9% | 37.2% | 36.5% | 0.754 |
| Type of AKI | ||||
| Pre-renal | 45.5% | 58.4% | 32.6% | |
| Renal | 54.5% | 41.6% | 67.4% | <.001 |
| Specified cause of AKI | ||||
| Acute tubular necrosis | 89.6% | 89.6% | 89.6% | |
| Other | 10.4% | 10.4% | 10.4% | 0.997 |
| Setting of AKI | ||||
| Medical | 72.8% | 72.2% | 73.4% | |
| Surgical | 27.2% | 27.8% | 26.6% | 0.634 |
| Severity scores (mean (SD)) | ||||
| SHARF (baseline) | 62.3 (28.9) | 58.4 (28.4) | 66.0 (29.0) | <.001 |
| APACHE II (baseline) | 23.9 (10.4) | 22.5 (10.2) | 25.2 (10.4) | <.001 |
| SOFA (baseline) | 9.2 (3.9) | 8.5 (3.8) | 9.9 (3.9) | <.001 |
AKI: acute kidney injury RRT: Renal Replacement Therapy SHARF score: Stuivenberg Hospital Acute Renal Failure score [19]