We rigorously extend the widely used wild bootstrap resampling technique tothe multivariate Nelson-Aalen estimator under Aalen's multiplicative intensitymodel. Aalen's model covers general Markovian multistate models includingcompeting risks subject to independent left-truncation and right-censoring.This leads to various statistical applications such as asymptotically validconfidence bands or tests for equivalence and proportional hazards. This isexemplified in a data analysis examining the impact of ventilation on theduration of intensive care unit stay. The finite sample properties of the newprocedures are investigated in a simulation study.
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