TY - JOUR AU - Meier-Hirmer, Carolina AU - Schumacher, Martin PY - 2013 DA - 2013/06/20 TI - Multi-state model for studying an intermediate event using time-dependent covariates: application to breast cancer JO - BMC Medical Research Methodology SP - 80 VL - 13 IS - 1 AB - The aim of this article is to propose several methods that allow to investigate how and whether the shape of the hazard ratio after an intermediate event depends on the waiting time to occurrence of this event and/or the sojourn time in this state. SN - 1471-2288 UR - https://doi.org/10.1186/1471-2288-13-80 DO - 10.1186/1471-2288-13-80 ID - Meier-Hirmer2013 ER -