Circulating Tumor Cells Were Associated with the Number of T Lymphocyte Subsets and NK Cells in Peripheral Blood in Advanced Non-Small-Cell Lung Cancer

Table 3

Univariate analysis between CTC count (per 4.5 mL peripheral blood) and different subpopulations of T cells.

Variables	CTC-positive	CTC-negative	T value	value
CD3+	64.9 ± 2.4	69.2 ± 2.1	8.78	0.041
CD4+	30.3 ± 2.8	36.5 ± 1.7	12.40	0.003
CD8+	29.2 ± 0.9	29.7 ± 1.0	2.29	0.173
CD4+/CD8+	1.0 ± 0.1	1.2 ± 0.8	11.07	0.235
NK	14.2 ± 0.9	15.7 ± 0.9	7.13	0.026
Treg cell	9.4 ± 1.2	7.6 ± 1.0	−7.07	0.004