Table 3.

Exacerbation Frequencies According to the Use of Inhaled Corticosteroid

Exacerbation Frequency	Group	With ICS		Without ICS		p valuea
		n	Mean (95% CI)	n	Mean (95% CI)
In 12 months after index CBC	Eosinophil ≥2%	135	1.16 (0.86–1.45)	47	0.83 (0.48–1.18)	0.420
	Eosinophil <2%	44	0.43 (0.17–0.70)	21	0.14 (0–0.36)	0.136

Note: ^aMann–Whitney U-test

Abbreviations: CI, confidence interval; CBC, complete blood count; ICS, inhaled corticosteroid.