For AMP PC20vs placebo , there were sustained significant ( P < 0.05 ) doubling dilution improvements following first ( 1.1 ; 95 % CI 0.4 , 1.9 ) and last ( 1.0 ; 95 % CI 0.3 , 1.8 ) doses of montelukast , and following first ( 1.3 ; 95 % CI 0.1 , 2.6 ) but not last ( 0.3 ; 95 % CI -0.9 , 1.6 ) doses of formoterol .
