At week 48 , the pharyngeal barium residue after initial swallowing had changed by -5.1 % ( SD 21.0 ) in the leuprorelin group and by 0.2 % ( 18.2 ) in the placebo group ( difference between groups -5.3 % ; 95 % CI -10.8 to 0.3 ; p = 0.063 ) .
