From: Diagnostic performance of serum blood urea nitrogen to creatinine ratio for distinguishing prerenal from intrinsic acute kidney injury in the emergency department
Stage 1
Stage 2
Stage 3
Number of AKI patients (%)
334 (30.3)
576 (52.2)
193 (17.5)
PR AKI (%)
58.7
42.5
29.5
I AKI (%)
41.3
57.5
70.5