The number of days of albuterol use , the average number of albuterol actuations/day , and the highest number of albuterol actuations/day in the @-week period were all positively associated with ACQ-@ score ( r = @-@ @ , P < @ ) and had moderate discrimination for well-controlled and not well-controlled asthma ( ACQ-@ scores @ and @ , respectively ) , with receiver operator characteristic area under the curve of @ to @ and @ to @ , respectively .