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Thorax 54:98-102 doi:10.1136/thx.54.2.98
  • Original article

Randomised placebo controlled trial of β agonist dose reduction in asthma

Table 2

Mean (SE) forced expiratory volume in one second (FEV1) before and after a cumulative dose of 1500 μg terbutaline by Turbohaler and percentage change in the β agonist reduction and control groups

Reduction group Control group
Baseline
 Before terbutaline (l) 2.62 (0.19) 2.32 (0.2)
 After terbutaline (l) 2.8 (0.19) 2.67 (0.19)
 % change 8.4 14.9
Week 12
 Before terbutaline (l) 2.48 (0.19) 2.34 (0.18)
 After terbutaline (l) 2.81 (0.2) 2.55 (0.18)
 % change 17.7 9.7

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