A two-year follow-up survey by using the Polytrauma Outcome Chart (PoloChart) and a set of specific questionnaires on socioeconomic and other HRQoL aspects was conducted among adult patients that had been treated for severe traumatic injuries (ISS ⩾ 9) at a German level 1 trauma center between 2008 and 2017. 
PoloChart
A two-year follow-up survey by using the Polytrauma Outcome Chart (PoloChart) and a set of specific questionnaires on socioeconomic and other HRQoL aspects was conducted among adult patients that had been treated for severe traumatic injuries (ISS ⩾ 9) at a German level 1 trauma center between 2008 and 2017. 
the Polytrauma Outcome Chart