At the end of each treatment period , there were no differences in FEV1 % predicted ( omega-3 , 85 % 13 % ; placebo , 84 % 11 % ; P = .9 ) or ACQ score ( omega-3 , 1.1 % 0.5 % ; placebo , 1.1 % 0.5 % ; P = .9 ) ( n = 23 ) .