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Univariate analysis between CTC count (per 4.5 mL peripheral blood) and different subpopulations of T cells.
| Variables | CTC-positive | CTC-negative | T value | P 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 |
