Association between admission body mass index and outcomes in critically ill children: A systematic review and meta-analysis.

Background & Aims: The association between nutritional status at pediatric intensive care unit (PICU) admission with clinical outcomes remains unclear. We conducted this systematic review to summarize the overall impact of PICU admission body mass index (BMI) on clinical outcomes.

Methods: We searched the following medical databases from inception through May 2020: PubMed, Excerpta Medica database (Embase), Cumulative Index of Nursing and Allied Health Literature (CINAHL), Cochrane Library, and Web of Science.