The purpose of this study was to estimate the risk and mortality of breast cancer recurrences in Swedish women, and to analyse changes over time and variations between patients in different risk groups. Such estimates are of key importance for modelling the cost-effectiveness of different...

We present three types of evidence about the effect of cancer drug vintage-year of initial world launch - on cancer survival and mortality. All three are based on group-level data, and employ difference-in-difference research designs, which enable us to control for the influence of potentially...