Although the mapping function finally selected appears to be able to accurately map CushingQoL scores onto SF-6D outcomes at the group level, further testing is required to validate the model in independent patient samples. </AbstractSection> Copyright The Author(s) 2013

Abstract The Bayesian structural time series model, used in conjunction with a state–space model, is a novel means of exploring the causal impact of a policy intervention. It extends the widely used difference–in–differences approach to the time series setting and enables several control...