Clinical Differences between Early- and Late-Onset Asthma: A Population-Based Cross-Sectional Study

<div>Lung function test and allergic features. (a) Spirometry results. #p &lt; 0.01 EOA vs. LOA; ∗p &lt; 0.01 EOA and LOA vs. COPD. (b) The percentage of allergens. †p &lt; 0.05 LOA vs. EOA and COPD; ‡p &lt; 0.01 EOA vs. COPD. (c) Reversibility for FVC.</div>

Canadian Respiratory Journal

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Figure 2

Figure 2: Clinical Differences between Early- and Late-Onset Asthma: A Population-Based Cross-Sectional Study 