Hospital-Acquired Acute Kidney Injury in Noncritical Care Setting: Clinical Characteristics and Outcomes

Table 1

Staging of AKI [18].

Stage	Serum creatinine
1	1.5–1.9 times baseline or ≥ 0.3 mg/dl (≥26.5 mmol/l) increase
2	2.0–2.9 times baseline
3	3.0 times baseline or increase in serum creatinine to ≥ 4.0 mg/dl (≥353.6 mmol/l)

Note. Adapted from Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group; KDIGO Clinical Practice Guideline for Acute Kidney Injury; The International Society of Nephrology; 2012; 2 (1): Table 2, Staging of AKI; p. 22.