highly significantP <.0001
Results from the interrupted time-series model demonstrated a highly significant drop of $67 per year in OOP costs between 2012 and 2013 ( P <.0001) and continued annual decreases of $2.32 per year ( P =.042).
Results from the interrupted time-series model demonstrated a highly significant drop of $67 per year in OOP costs between 2012 and 2013 ( P <.0001) and continued annual decreases of $2.32 per year ( P =.042).