On the Controlled Oral Word Association Trial-S , the scores significantly increased for the Ginkgo Synergy ( ) plus Choline arm from baseline to 6 months follow-up ( mean difference = 2.1 ; SE = 0.8 ; 95 % CI : 0.2 , 3.9 ; p < 0.05 ) and for the OPC Synergy ( ) plus Catalyn ( ) arm from baseline to 3 months follow-up ( mean difference = 2.1 ; SE = 0.8 ; 95 % CI : 0.2 , 4.0 ; p < 0.05 ) .