▁Mov ement ▁Dis order ▁Society ▁( MD S ) ▁published ▁a ▁revision ▁of ▁the ▁UP DR S , ▁known ▁as ▁the ▁M DS - UP DR S . ▁The ▁revision ▁became ▁des irable ▁after ▁an ▁M DS - sp ons ored ▁Task ▁Force ▁on ▁R ating ▁S cal es ▁for ▁Park inson ’ s ▁D ise ase ▁highlight ed ▁the ▁limitations ▁of ▁the ▁original ▁UP DR S . ▁Two ▁major ▁limitations ▁include ▁the ▁lack ▁of ▁consistent ▁anchor ▁among ▁subs cal es ▁and ▁the ▁low ▁emphas is ▁on ▁the ▁non mot or ▁features ▁of ▁P D . ▁The ▁modified ▁UP DR S ▁retain s ▁the ▁four - scale ▁structure ▁with ▁a ▁re organ ization ▁of ▁the ▁various ▁subs cal es . ▁The ▁scales ▁are ▁now ▁titled ; ▁( 1 ) ▁ ▁non mot or ▁experiences ▁of ▁daily ▁living ▁( 1 3 ▁items ), ▁( 2 ) ▁motor ▁experiences ▁of ▁daily ▁living ▁( 1 3 ▁items ), ▁( 3 ) ▁motor ▁exam ination ▁( 1 8 ▁items ), ▁and ▁( 4 ) ▁motor ▁comp lications ▁( six ▁items ). ▁Each ▁sub scale ▁now ▁has ▁ 0 - 4 ▁ratings , ▁where ▁ 0 ▁= ▁normal , ▁ 1 ▁= ▁slight , ▁ 2 ▁= ▁m ild , ▁ 3 ▁= ▁moder ate , ▁and ▁ 4 ▁= ▁severe . ▁ ▁References ▁ ▁External ▁links ▁ ▁Un ified ▁Park inson ' s ▁D ise ase ▁R ating ▁Sc ale ▁on ▁National ▁Park inson ▁Foundation ▁site ▁ ▁Un ified ▁Park inson ' s ▁D ise ase ▁R