Table 1 Clinicopathological characteristics in responders and non-responders.

From: Multicentre biomarker cohort study on the efficacy of nivolumab treatment for gastric cancer

  

Responder (n = 25)

Non-responder (n = 118)

Response rate (%)

P value

Age (years)

<70

8

51

13.6

0.30

≥70

17

67

20.2

 

Sex

Male

19

91

17.3

0.90

Female

6

27

18.2

 

Performance status

0–1

25

98

20.3

0.026

2–3

0

20

0.0

 

BMI (kg/m2)

<20

11

57

16.2

0.70

≥20

14

61

18.7

 

Histology*

Differentiated

16

77

17.2

0.89

Undifferentiated

8

41

16.3

 

History of gastrectomy

Yes

18

66

21.4

0.14

No

7

52

11.9

 

Number of previous chemotherapy regimens

2

14

66

17.5

0.64

3

6

36

14.3

 

≥4

5

16

23.8

 

Liver metastasis

Yes

7

49

12.5

0.21

No

18

69

20.7

 

Lung metastasis

Yes

2

10

16.7

0.94

No

23

108

17.6

 

Lymph node metastasis

Yes

16

63

20.3

0.33

No

9

55

14.1

 

Peritoneum metastasis

Yes

3

42

6.7

0.021

No

22

76

22.4

 

NLR

<2.4

11

58

15.9

0.64

≥2.4

14

60

18.9

 

CRP (mg/dL)*

<1.0

21

78

21.2

0.087

≥1.0

4

39

9.3

 

PD-L1 TPS

<1

14

94

13.0

0.012

≥1

11

24

31.4

 

PD-L1 CPS

<1

6

49

10.9

0.10

≥1

19

69

21.6

 

PD-L1 CPS

<5

10

81

11.0

0.007

≥5

15

37

28.8

 

PD-L1 CPS

<10

12

99

10.8

<0.001

≥10

13

19

40.6

 

MMR

Proficient

15

107

12.3

<0.001

Deficient

10

11

47.6

 
  1. *Data not available for one patient.
  2. BMI body mass index, NLR neutrophil-to-lymphocyte ratio, CRP C-reactive protein, PD-L1 programmed death-ligand 1, TPS tumour-positive score, CPS combined positive score, MMR mismatch repair.