Table 2

Reasons for withdrawal from the study

ReasonBefore randomisationAfter randomisation
Poor asthma control222
Withdrew consent100
Personal/social reasons65
Side effects of treatment03
Poor compliance11
Asthma too mild in run in2-150 30
Confounding medication use10
  • 2-150 No symptoms of asthma during run in period and/or no response to methacholine at the end of the run in period.