Table 7

Asthma score: percentage of days with score 0 (stable asthma), score 1 (mildly unstable asthma), and score 2 or more (minor or major deterioration). Data for weeks 21–24 were also used for the analysis of washout effects

WeeksScore = 0Score = 1Score = 2 or more
Placebo0–2477.420.42.3
0–478.119.62.3
21–2478.420.61.0
Washout 0–480.516.92.6
Salbutamol0–2476.520.82.7
0–476.121.72.2
21–2477.120.02.9
Washout 0–478.623.12.1
Salmeterol0–2487.47-150 11.97-150 0.6
0–488.610.80.6
21–2488.611.00.4
Washout 0–474.07-151 23.17-151 2.1
  • 7-150 p = 0.001, salmeterol better than placebo.

  • 7-151 p = 0.02, salmeterol worse than placebo.