Table 1.

Comparison of WA/Pi, S/Pi, N/Pi of each group (

$$\left(\overline{\mathbf{x}}\pm \mathbf{s}\mathbf{,}\mathbf{n}=\mathbf{10}\right)$$

Group	WA/Pi (μm2/μm)	S/Pi (μm2/μm)	N/Pi (n/μm)
Control group	7.02 ± 0.31	2.57 ± 0.24	0.0181 ± 0.0042
Chronic asthma group	11.82 ± 1.37**	3.71 ± 0.47**	0.0388 ± 0.0162*
SMI group	7.74 ± 0.29# #	2.68 ± 0.34#	0.0184 ± 0.0056#
F	63.245	17.923	8.136
P	<0.001	0.005	0.029

*P < 0.05, **P < 0.01 vs. the control group.

^#P < 0.05, ^{# #}P < 0.01 vs. the chronic asthma group.