When comparing results before and after intervention , the dance group showed a large effect in TUG time ( ES = 0.65 , p = 0.006 ) , TUG step number ( ES = 0.66 , p = 0.005 ) , BBS ( ES = 0.75 , p = 0.001 ) , FAB ( ES = 0.77 , p = 0.001 ) , MRT response time ( ES = 0.79 , p < 0.001 ) , AS ( ES = 0.78 , p < 0.001 ) , SDS ( ES = 0.66 , p = 0.006 ) and UPDRS ( ES = 0.88 , p < 0.001 ) .