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

Table 7 Comparison of immunoglobulin levels between the two groups before and after treatment (mean ± SD)

Group	IgA (g/L)		t	P value	IgM (g/L)		t	P value
	Pre-treatment Post-treatment	Post-treatment Post-treatment			Pre-treatment Post-treatment	Post-treatment Post-treatment
Observation group (n = 65)	1.26 ± 0.34	1.84 ± 0.65	-7.23	0.012	9.08 ± 1.56	11.8 ± 1.06	-6.98	0.021
Control group (n = 65)	1.27 ± 0.32	1.48 ± 0.63	-9.67	0.007	9.03 ± 1.25	10.9 ± 1.48	-9.56	0.032
t	0.765	6.165			0.655	2.418
P value	0.724	0.014			0.751	0.012

IgA: Immunoglobulin A; IgM: Immunoglobulin M.