Fig. 7: Schematic of the merge rules in the AKI event prediction model AKIEPM.
From: Predicting in-hospital outcomes of patients with acute kidney injury

It showed the situations of no SCr result within 24 h (1), one SCr result within 24 h (2), and two SCr results within 24 h (3), and (4) for constructing a sequential representation of electronic health records by merging patient data in 24 h.