Table 1 Patient characteristics

From: Existing models, but not neutrophil-to-lymphocyte ratio, are prognostic in malignant mesothelioma

  

Systemic chemotherapy

 

All patients

Yes

No

 

N

%

N

%

N

%

Age

Median (range)

69 (40–93)

66 (40–80)

75 (52–93)

Sex

Male

237

86.5

143

84.6

94

89.5

Female

37

13.5

26

15.4

11

10.5

Histopathology

Epithelioid

115

42.0

68

40.2

47

44.8

Biphasic

36

13.1

26

15.4

10

9.5

Sarcomatous

32

11.7

19

11.2

13

12.4

Others

91

33.2

56

33.1

35

33.3

AJCC stage

I–II

137

50.0

79

46.7

58

55.2

III–IV

119

43.4

86

50.9

33

31.4

Missing

18

6.6

4

2.4

14

13.3

ECOG performance status

0–1

234

85.4

161

95.3

73

69.5

2–3

32

11.7

8

4.7

24

22.9

Missing

8

2.9

0

0.0

8

7.6

Weight loss

Absent

140

51.1

95

56.2

45

42.9

Present

125

45.6

74

43.8

51

48.6

Missing

9

3.3

0

0.0

9

8.6

Chest pain

Absent

98

35.8

64

37.9

34

32.4

Present

169

61.7

105

62.1

64

61.0

Missing

7

2.6

0

0.0

7

6.7

EORTC prognostic group

Low risk

135

49.3

81

47.9

54

51.4

High risk

139

50.7

88

52.1

51

48.6

CALGB prognostic group

1 or 2

56

20.4

34

20.1

22

21.0

3 or 4

131

47.8

92

54.4

39

37.1

5 or 6

80

29.2

43

25.4

37

35.2

Missing

7

2.6

0

0.0

7

6.7

Neutrophil-to-lymphocyte ratio at baseline

Median (range)

3.53 (1.28–22.6)

3.39 (1.48–13.62)

3.77 (1.28–22.6)

<5

202

73.7

129

76.3

73

69.5

5

72

26.3

40

23.7

32

30.5

Overall survival from diagnosis

Median, months (CI)

13.3 (11.6–15.1)

15.2 (13.8–17.9)

8.3 (5.7–11.1)

  1. Abbreviations: AJCC=american joint committee on cancer staging system; CALGB=cancer and leukemia group B; CI=confidence interval; ECOG=eastern cooperative oncology group, EORTC=european organization for research and treatment of cancer; N=number.