Risk Factors and Changes of Peripheral NK and T Cells in Pulmonary Interstitial Fibrosis of Patients with Rheumatoid Arthritis

Table 3

The absolute number of peripheral lymphocyte subsets in RA-ILD and RA patients.

	RA-ILD (n = 100)	RA (n = 100)
T cells (cells/μl, mean ± SD)	1210.26 ± 533.11	1295.24 ± 543.26	0.382
B cells (cells/μl, mean ± SD)	201.64 ± 163.92	205.40 ± 140.46	0.447
CD3−CD56+ NK cells (cells/μl, mean ± SD)	280.40 ± 180.51	207.66 ± 148.57	0.002
CD4+ T cells (cells/μl, mean ± SD)	698.54 ± 373.03	755.41 ± 310.69	0.118
CD8+ T cells (cells/μl, mean ± SD)	458.50 ± 221.11	486.19 ± 284.36	0.729
Th1 cells (cells/μl, mean ± SD)	107.24 ± 79.61	133.32 ± 137.98	0.652
Th2 cells (cells/μl, mean ± SD)	7.99 ± 5.70	8.79 ± 5.04	0.107
Th17 cells (cells/μl, mean ± SD)	5.33 ± 4.19	5.89 ± 3.93	0.136
Treg cells (cells/μl, mean ± SD)	30.85 ± 22.21	32.68 ± 22.48	0.447
Th17/Treg (rate, mean ± SD)	0.22 ± 0.17	0.24 ± 0.23	0.729