|
| Study/criteria | Classification | Definition |
|
| Hingorani et al. (2015) | AKI | Rise in Sr Cr of 0.3 mg/dL in <48 hrs and/or 1.5 times the previous level in <7 days |
|
| Kang et al. (2012) | AKI | Rise in Sr Cr to twice its initial value |
| Severe AKI | Rise in Sr Cr to the level that requires dialysis |
|
Yu et al. (2010)
Caliskan et al. (2006) | Grade 0 | Fall in GFR < 25% of the baseline value |
| Grade 1 | Fall in baseline GFR 25% or more and rise in Sr Cr < 2-fold |
| Grade 2 | More than or equal to 2-fold increase in Sr Cr without requiring dialysis |
| Grade 3 | More than or equal to 2-fold increase in Sr Cr requiring dialysis |
|
Zhou et al. (2009)
Lopes et al. (2006) | AKI | Doubling of Sr Cr in the first 100 days after transplantation |
|
| AKI network criteria (2007) | Stage 1 | Rise in Sr Cr to >0.3 mg/dL or 1.5–2 times baseline value or fall in urine output to <0.5 mL/kg/h for >6 hrs |
| Stage 2 | Rise in Sr Cr 2-3 times baseline value or fall in urine output to <0.5 mL/kg/h for >12 hrs |
| Stage 3 | Rise in Sr Cr > 3 times baseline value or fall in urine output to <0.3 mL/kg/h for 24 hrs or anuria for 12 hrs |
|
| RIFLE criteria (2004) by ADQI group | AKI-R (risk) | Rise in Sr Cr 1.5 times baseline value or fall in GFR > 25% or fall in urine output to <0.5 mL/kg/h for 6 hrs |
| AKI-I (injury) | Rise in Sr Cr 2 times the baseline value or fall in GFR > 50% or fall in urine output to <0.5 mL/kg/h for 12 hrs |
| AKI-F (failure) | Rise in Sr Cr 3 times the baseline value or fall in GFR by 75% or Sr Cr > 4 mg/dL or fall in urine output to less than 0.3 mL/kg/h for 24 hrs or anuria for 12 hrs |
| Persistent ARF | Total loss of kidney functions requiring dialysis > 4 weeks |
| End stage renal disease | Requirement of dialysis for >3 months |
|
