Large observational databases linking kidney function and other routine patient health data
are increasingly being used to study acute kidney injury (AKI). Routine health care data
show an apparent rise in the incidence of population AKI and an increase in acute dialysis.
Studies also report an excess in mortality and adverse renal outcomes after AKI, although
with variation depending on AKI severity, baseline, definition of renal recovery, and the time
point during follow-up. However, differences in data capture, AKI awareness, monitoring …