Onset of relief of dyspnoea with budesonide/formoterol or salbutamol following methacholine-induced severe bronchoconstriction in adults with asthma: a double-blind, placebo-controlled study

Table 1 Patient baseline demographics

Characteristic	Patients (n = 32)
Sex
Male	15
Female	17
Mean age, years [range]	33.5 [18–50]
Median time since asthma diagnosis, years [range]	14 [1–48]
ICS use
Patients, n	29
Mean daily dose, μg [range]	677 [100–2000]
Mean FEV₁, L [range]	3.40 [1.83–5.22]
Mean FEV₁, % predicted normal [range]	93.6 [61–126]
Mean^a PC₂₀, mg/mL [range]	0.47 [0.1–6.7]

^aGeometric mean.
Abbreviations: ICS = inhaled corticosteriod, FEV₁ = forced expiratory volume in 1 second; PC₂₀ = provocative concentration of methacholine causing a 20% fall in FEV₁.

ISSN: 1465-993X