TABLE 5

Influence of eosinophil count evolution on exacerbation rate

Univariate analysisMultivariate analysis#
Rate ratio (95% CI)p-valueRate ratio (95% CI)p-value
Eosinophils count per 200 increase1.21 (1.01–1.47)0.041.03 (0.84–1.26)0.77
Delta eosinophil count per 200 increase1.24 (1.10–1.40)0.0011.15 (1.02–1.31)0.02

#: adjusted for tobacco smoking, forced expiratory volume in 1 s, and long-term corticosteroids and anti-IgE use.