Dose omission to shorten methacholine challenge testing: clinical consequences of the use of a 10% fall in FEV1 threshold

Table 3 Multiple binary regression model for the identification of predictors of adverse events

	Odds ratio	95% CI	p
Any inhaler medication	0.50	0.06–3.81	0.50
FEV₁, percent predicted	0.97	0.90–1.03	0.30
RV, percent predicted	1.05	1.01–1.10	0.01
Dose skipped after FEV₁ decreased 5–10% and PC₂₀ reached	5.40	0.73–39.22	0.10

ISSN: 1710-1492