Efficacy of β2-adrenergic receptor agonist combined with corticosteroid in the treatment of children with cough variant asthma

Table 8 Comparison of airway anatomical index between the two groups before and after treatment (mean ± SD)

Group	Airway wall thickness(mm2)		t	P value	Total airway wall area(mm2)		t	P value
	Pre-treatment Post-treatment	Post-treatment Post-treatment			Pre-treatment Post-treatment	Post-treatment Post-treatment
Observation group (n = 65)	2.16 ± 0.46	0.84 ± 0.65	8.26	0.014	7.08 ± 0.56	3.28 ± 1.26	10.98	0.011
Control group (n = 65)	2.27 ± 0.22	1.98 ± 0.43	7.64	0.005	7.03 ± 0.25	4.39 ± 1.68	11.56	0.006
t	1.762	8.135			0.398	4.468
P value	0.425	0.016			0.216	0.016