When subjects were divided into NERD and RE , symptom relief in cont/on-demand were @ % / @ % at baseline ( n.s. ) , @ % / @ % at @ weeks ( n.s. ) , @ % / @ % at @ weeks ( n.s. ) , and @ % / @ % at @ weeks ( n.s. ) in NERD , while those were @ % / @ % at baseline ( n.s. ) , @ % / @ % at @ weeks ( p < @ ) , @ % / @ % at @ weeks ( n.s. ) , and @ % / @ % at @ weeks ( n.s. ) in RE , respectively .