Overall mean ( standard error ) change from period baseline was -0.1 ( 0.28 ) for ropinirole 24-h prolonged release , and 0.6 ( 0.30 ) for ropinirole immediate release ( adjusted mean treatment difference -0.7 ; 95 % confidence interval [ CI ] : -1.51 , 0.10 ; p = 0.0842 ) .
