Fig. 1

Participant flowcharts for the MIMIC- III and MIMIC-IV cohorts. Abbreviations: MIMIC-III, Medical Information Mart for Intensive Care III; MIMIC-IV, Medical Information Mart for Intensive Care IV; ICU, Intensive Care Unit; AKI, acute kidney injury; NSAIDs, Nonsteroidal Anti-inflammatory Drugs; RRT, renal replacement therapy