INS and diabetes mellitus: The search strategy was designed in consultation with an experienced medical librarian to maximize sensitivity and included a combination of Medical Subject Headings (MeSH) and free-text terms related to “diabetic ketoacidosis,” “hypoglycemia,” “intravenous fluids,” “insulin regimens,” and “treatment outcomes.” Additionally, the reference lists of included studies and relevant reviews were manually screened to identify any additional eligible studies.