Figure. Flow Diagram of Children With and Without Undernourishment on Pediatric Intensive Care Unit Admission.

Acutely undernourished is defined as weight-for-age z score less than −2 (aged <1 year) or body mass index–for-age z score less than −2 (if aged ≥1).^18,19 Severely acutely undernourished is defined as weight-for-age z score less than −3 (<1 year) or body mass index–for-age z score less than −3 (if aged ≥1 year).^18,19 PN indicates parenteral nutrition.