The number of days of albuterol use , the average number of albuterol actuations/day , and the highest number of albuterol actuations/day in the 1-week period were all positively associated with ACQ-5 score ( r = 0.41-0 .45 , P < .001 ) and had moderate discrimination for well-controlled and not well-controlled asthma ( ACQ-5 scores 0.75 and 1.5 , respectively ) , with receiver operator characteristic area under the curve of 0.80 to 0.82 and 0.70 to 0.77 , respectively .