Table 2: The odds ratio for asthma in elderly patients with analysis various factors.

FactorsOdds ratio
(95% CI)

History of atopy at a younger age1.54 (1.36–1.78)
A positive result for at least one skin test2.01 (1.86–2.11)
A positive allergen-specific IgE test2.08 (1.98–2.56)
Smokers1.88 (1.75–1.91)
Presence of asthma in at least one family
1.47 (1.26–1.62)
Men1.49 (1.23–1.98)