A total of 6995 pediatric patients with allogeneic HCT were included and ∼15% required intensive care by 5 years after HCT. (A) Inclusion or exclusion flow diagram. (B) Cumulative incidence of PICU admission after allogeneic HCT. (C) Factors independently associated with post–HCT-PICU admission in multivariable competing risk-regression model.