Glucose-to-Potassium Ratio as a Prognostic Biomarker in Critically Ill Children: A Narrative Review Nafisa Najwa Achsan1, Arina Setyaningtyas2*, Paulus Budiono Notopuro3 Abstract Critically ill children in the Pediatric Intensive Care Unit (PICU) have a high risk of death, so simple and fast tools to identify those at greatest risk are