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Table 1 Patient baseline demographics

From: Protective effect of budesonide/formoterol compared with formoterol, salbutamol and placebo on repeated provocations with inhaled AMP in patients with asthma: a randomised, double-blind, cross-over study

Characteristic

Value

Sex: Male/Female, n

6/11

Mean age, years (range)

37.2 (20-53)

Median time since asthma diagnosis, years (range)

20.2 (3-42)

Mean inhaled corticosteroid dose prior to the study, μg (range)

553 (200-800)

User of long-acting β2-agonist prior to the study

14

Mean FEV1, L (range)

3.26 (2.11-4.69)

Mean FEV1, % predicted (range)

94.6 (63-126)

Geometric mean PC20-AMP, mg/ml (range)

2.64 (0.08-125)

  1. FEV1: forced expiratory volume in 1 second; PC20: provocative concentration of adenosine 5'-monophoshate (AMP) causing a 20% fall in FEV1.