Table 3.
Outcome in total group and according to SHARF severity classes
| Overall | SHARF score | P-value of difference | |||
|---|---|---|---|---|---|
| <30 | 30-60 | >60 | |||
| Number of AKI patients | n = 1303 | n = 202 | n = 341 | n = 688 | |
| Hospital mortality | 50.3% | 21.8% | 40.5% | 63.7% | <0.001 |
| ICU and hospital stay | |||||
| Days in ICU: mean (SD) | 14.1 (16.4) | 7.9 (10.0) | 13.8 (16.2) | 16.0 (17.4) | <0.001 |
| Days in hospital: mean (SD) | 34.2 (36.6) | 29.0 (30.8) | 38.8 (43.4) | 33.4 (33.7) | 0.009 |
| Renal outcome in survivors | |||||
| CKD stage 1-2 (eGFR > = 60 ml/minute) | 38.6% | 30.7% | 41.4% | 43.2% | |
| CKD stage 3 (eGFR 30-59 ml/minute) | 35.0% | 34.3% | 30.8% | 39.2% | |
| CKD stage 4 (eGFR 15-29 ml/minute) | 10.7% | 12.4% | 13.0% | 7.0% | |
| CKD stage 5 (eGFR <15 ml/minute or ESKD) | 15.7% | 22.6% | 14.8% | 10.6% | 0.009 |
AKI, acute kidney injury; CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; ESKD, end-stage kidney disease; SHARF score, Stuivenberg Hospital Acute Renal Failure score [19]