Table 4 Correlation between lymphocyte subsets, thyroid function index and lymph node metastasis of PTC patients

Total T(%)

63.17 ± 7.26

62.92 ± 9.59

CD3⁺CD4⁺(%)

36.58 ± 6.41

37.50 ± 6.60

CD3⁺CD8⁺(%)

23.28 ± 6.27

22.07 ± 7.44

CD4⁺/CD8⁺(%)

1.64 [1.24,2.12]

1.76 [1.23,2.32]

CD4⁺ HLA-DR⁺(%)

6.06 ± 2.05

6.16 ± 2.14

CD8⁺ HLA-DR⁺(%)

6.70 [4.60,9.05]

6.00 [3.60,7.30]

CD8⁺CD38⁺(%)

4.80 [3.40,6.45]

5.40 [3.50,8.60]

NK(%)

17.81 ± 7.46

17.26 ± 9.59

B(%)

14.76 ± 4.75

15.01 ± 5.33

T3(nmol/L)

1.18 ± 0.22

1.20 ± 0.23

T4(nmol/L)

8.30 [7.15,9.15]

8.00 [7.30,8.80]

FT3(pmol/L)

3.38 [3.14,3.52]

3.37 [3.20,3.57]

FT4(pmol/L)

1.33 ± 0.20

1.31 ± 0.17

TSH (μIU/mL)

1.65 ± 0.92

1.71 ± 1.01

TGAb (IU/mL)

25.00 [15.50,78.00]

22.00 [15.00,52.00]

TPO (IU/mL)

37.00 [28.00,74.00]

30.00 [28.00,52.00]

CD3⁺ PD-1⁺ (%)

10.76 ± 4.68

12.63 ± 4.52

CD3⁺CD4⁺PD-1⁺ (%)

7.27 ± 3.01

8.98 ± 3.24

CD3⁺CD8⁺PD-1⁺ (%)

4.66 ± 1.81

5.29 ± 2.73