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Table 2 Relationship between the density of immune cells and the clinical features of metastatic liver tumors

From: Multi-perspective comparison of the immune microenvironment of primary colorectal cancer and liver metastases

 

Number of liver metastases

p value

Diameter of the metastatic tumor

p value

1

 > 1

 < 3 cm

 ≥ 3 cm

Mean ± SD

Median

Mean ± SD

Median

Mean ± SD

Median

Mean ± SD

Median

Primary tumor

          

 CD8

1.46 ± 1.35

1.03

1.90 ± 5.96

0.66

0.947

0.62 ± 0.76

0.34

0.69 ± 0.54

0.55

0.227

 CD68

9.66 ± 5.68

8.44

8.38 ± 4.25

9.18

0.528

3.98 ± 2.91

2.71

4.47 ± 2.26

4.58

0.326

 PD-L1

4.66 ± 3.84

3.75

3.19 ± 3.50

1.88

0.044

1.94 ± 2.12

1.17

1.90 ± 1.78

1.78

0.610

 Ki67

6.27 ± 6.17

4.61

3.22 ± 3.28

2.10

0.096

2.15 ± 2.60

0.99

3.14 ± 3.22

2.14

0.220

 Foxp3

0.68 ± 1.32

0.28

1.08 ± 1.27

0.49

0.049

0.22 ± 0.36

0.14

0.53 ± 0.67

0.21

0.029

 CD163

4.35 ± 2.46

3.96

3.41 ± 1.87

3.12

0.117

1.54 ± 1.03

1.31

1.88 ± 1.00

1.67

0.206

 INF-γ

0.31 ± 0.88

0.04

0.60 ± 1.17

0.02

0.481

0.21 ± 0.42

0.03

0.16 ± 0.37

0.00

0.183

 CD20

0.64 ± 1.08

0.16

1.23 ± 1.59

0.62

0.063

0.26 ± 0.32

0.13

0.40 ± 0.62

0.15

0.345

 CD66b

12.07 ± 15.07

6.48

13.82 ± 10.28

11.62

0.031

4.31 ± 2.54

4.51

4.04 ± 3.00

3.49

0.396

 CD56

5.40 ± 6.18

3.28

5.43 ± 3.31

5.61

0.108

2.46 ± 1.35

2.43

1.71 ± 1.43

1.42

0.076

 VEGFR-2

0.65 ± 0.61

0.53

0.74 ± 0.93

0.31

0.485

0.25 ± 0.16

0.26

0.29 ± 0.37

0.14

0.406

 CD11c

0.45 ± 0.63

0.24

0.51 ± 0.82

0.29

0.605

0.16 ± 0.14

0.12

0.20 ± 0.27

0.09

0.925

Liver metastases

          

 CD8

063 ± 0.56

0.49

0.70 ± 0.77

0.31

0.310

0.76 ± 0.70

0.58

1.12 ± 1.61

0.53

0.806

 CD68

4.43 ± 2.83

3.69

3.95 ± 2.18

4.24

0.863

3.92 ± 2.83

3.62

3.90 ± 2.76

3.54

0.940

 PD-L1

2.19 ± 1.95

1.84

1.54 ± 1.88

0.95

0.924

2.15 ± 1.65

1.55

2.52 ± 2.71

1.58

0.985

 Ki67

3.39 ± 3.39

2.11

1.65 ± 1.83

1.11

0.467

6.24 ± 9.26

1.26

8.02 ± 9.26

4.83

0.187

 Foxp3

0.32 ± 0.56

0.12

0.47 ± 0.57

0.21

0.003

0.37 ± 0.28

0.37

0.76 ± 0.61

0.60

0.011

 CD163

1.89 ± 1.07

1.76

1.47 ± 0.92

1.24

0.368

2.46 ± 1.89

2.09

2.94 ± 2.81

2.00

0.880

 INF-γ

0.10 ± 0.18

0.02

0.31 ± 0.56

0.01

0.977

0.35 ± 0.51

0.18

0.32 ± 0.70

0.05

0.290

 CD20

0.24 ± 0.39

0.11

0.46 ± 0.62

0.33

0.061

0.41 ± 0.74

0.09

0.42 ± 1.31

0.09

0.417

 CD66b

3.56 ± 2.96

2.79

5.03 ± 2.28

5.13

0.056

2.49 ± 1.36

2.17

2.85 ± 2.70

1.61

0.664

 CD56

1.83 ± 1.50

1.68

2.39 ± 1.29

2.51

0.774

0.68 ± 0.65

0.49

1.10 ± 1.59

0.46

0.685

 VEGFR-2

0.26 ± 0.20

0.24

0.29 ± 0.39

0.10

0.503

0.35 ± 0.38

0.23

0.54 ± 0.85

0.17

0.720

 CD11c

0.18 ± 0.23

0.11

0.18 ± 0.20

0.13

0.479

0.51 ± 0.73

0.06

0.43 ± 0.67

0.16

0.385

  1. p values were obtained from Wilcoxon’s signed rank test
  2. The bold values indicates significance at p < 0.05