Identification and treatment of persistent small airway dysfunction in paediatric patients with asthma: a retrospective cohort study

Table 3 Improvement of SAD after continuing to using ICS or ICS/LABA

Item 1	Item 2	Asthma with SAD	Asthma without SAD	χ²	P
Using ICS
	In the 4th month	17(77.3)	5(22.7)	/	0.049
	In the 8th month	9(56.3)	7(43.7)	/	0.001
Using ICS/LABA
	In the 4th month	46(78.0)	13(22.0)	/	< 0.001
	In the 8th month	35(53.8)	30(46.2)	/	< 0.001

Data were presented as number (%); the difference between groups was analyzed by the fisher exact test
ICS, inhaled corticosteroids; LABA, long-acting beta-agonist; SAD, small airway dysfunction

ISSN: 1471-2466