Patient Utilities in Health States Based on Hoehn and Yahr and Off-Time in Parkinson’s Disease : A Swedish Register-Based Study in 1823 Observations
Background: Cost-effectiveness models in Parkinson’s disease often include health states based on Hoehn and Yahr (H&Y) and time in ‘off’. Few studies have investigated utilities in these health states. Objective: The aim of this study was firstly to explore utilities in health states based on H&Y and off-time, and secondly to investigate to what extent H&Y and off-time correlated with
