CRP and malnutrition: The validated version included age subgroups, presence of chronic diseases, length of prior hospitalization, subjective impression of malnutrition risk, type of NT at admission, and C-reactive protein (CRP) levels.<h4>Conclusions</h4>The nutritional risk screening tool for critically ill pediatric patients, named NutriRisKids-ICU, was developed, and its content was validated by expert consensus.