Table 3. Differences in serum miRNA expression between atopic and non-atopic asthmatics at the EV and the FV.

2^-DCt	EV			FV
	Atopic (n = 10)	Non-atopic (n = 9)	P value	Atopic (n = 10)	Non-atopic (n = 9)	P value
miRNA-146a	0.087 ± 0.078	0.042 ± 0.036	NS	0.13 ± 0.13	0.13 ± 0.23	NS
miRNA-126a	0.54 ± 0.32	0.46 ± 0.67	NS	1.45 ± 1.22	0.64 ± 0.95	0.042
miRNA-16	19.71 ± 8.85	11.52 ± 7.94	NS	22.4 ± 9.47	24.16 ± 19.59	NS
miRNA-21	1.76 ± 1.75	0.49 ± 0.58	0.005	2.12 ± 1.89	0.78 ± 0.63	0.029
miRNA-29a	0.13 ± 0.17	0.09 ± 0.22	0.030	0.151 ± 0.192	0.026 ± 0.016	0.046
miRNA-29b	0.058 ± 0.075	0.025 ± 0.059	0.045	0.059 ± 0.076	0.007 ± 0.005	0.009
miRNA-29c	0.134 ± 0.159	0.019 ± 0.023	0.004	0.14 ± 0.149	0.027 ± 0.019	0.009

Differences were analyzed using Mann-Whitney U test.

miRNA, micro RNA; EV, exacerbation visit; FV, follow-up visit; NS, not significant.