Table 2

Results for efficacy end points without baseline values

End pointPlacebo (n=308)Montelukast 10 mg (n=317)Effect differencep value*
All patients were also receiving inhaled budesonide by Turbuhaler 400–1600 μg/day.
*p value is for the montelukast v placebo.
Nocturnal awakenings represent the percentage of patients who awoke during the night because of asthma.
LS = least square.
Median (95% CI) asthma exacerbation days (%)4.8% (3.5 to 6.3)3.1% (2.0 to 4.2)1.7% (1.2 to 6.3)0.03
Median (95% CI) asthma free days (%)42.3% (32.7 to 51.2)66.1% (57.4 to 73.8)23.8% (10.9 to 41.2)0.001
LS mean (95% CI) nocturnal awakenings (%)32.2% (25.9 to 38.5)25.6% (19.3 to 31.9)6.6% (1.9 to 13.7)0.01
Discontinuation because of asthma, n (%)3 (1%)3 (1%)0%1.00