Fig. 1.
Yearly trends of acute kidney injury in critically ill patients in Korea between 2008 and 2015. Bars represent absolute number of critically ill patients with acute kidney injury (AKI); lines represent proportion of critically ill patients with AKI among all ICU patients. Incidence increased from 7.4% in 2008 to 8.3% in 2015 (p for trend < 0.001)