The balance between lung regulatory T cells and Th17 cells is a risk indicator for the acute exacerbation of interstitial lung disease after surgery: a case-control study

Table 2 Immunohistochemical findings in the AE and non-AE groups

	AE	Non-AE	p-value
Th1:Th2 ratio	0.66 ± 0.21	0.69 ± 0.17	0.755
Th17:Treg ratio	1.47 ± 0.92	0.79 ± 0.34	0.041
CD8:Treg ratio	3.64 ± 2.80	1.72 ± 0.92	0.052
Th cell subtype in CD3-positive T cells, %
Th1	21.3 ± 10.5	29.0 ± 7.1	0.067
Th2	34.2 ± 18.1	42.7 ± 9.2	0.193
Th17	22.3 ± 8.6	21.6 ± 8.0	0.858
Treg	19.6 ± 12.9	29.1 ± 12.3	0.101
CD8	47.2 ± 15.4	42.2 ± 15.4	0.409

Data are presented as the mean ± standard deviation. AE, acute exacerbation; Th, T helper cell; Treg, regulatory T cell

ISSN: 1471-2466