The patients ' clinical conditions were evaluated by using Visual Analogue Scale ( VAS , 0-10 points , shoulder pain degree ) , edema severity score ( 0 point : normal , 2 points : mild , 4 points : moderate , and 6 points : severe ) and simplified Fugl-Meyer motor assessment scale ( 0 , 1 and 2 points , upper-limb motor function ) before and after the treatment .