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Table 1 Characteristics of study participants

From: Possibility of multivariate function composed of plasma amino acid profiles as a novel screening index for non-small cell lung cancer: a case control study

  

Study data set

Test data set

SCLC

  

Controls

Patients

Controls

Patients

patients

Number

Total

423

141

3917

162

15

 

(Male, Female, Unknown)

(279,144)

(93,48)

(2363,1554)

(103,55,4)

(15,0)

Age, y

Mean (SD)

61.1(8.7)

62.7(9.2)

52.6(10.8)

65.7(10.4)*

66.8(8.1)*

 

Range

32~82

34~83

23~88

34~83

50~76

BMI

Mean (SD)

23.0(3.1)

22.6(2.8)

22.7(3.2)

22.8(3.1)

22.7(3.5)

 

Range

16.5~36.4

15.4~29.8

14.0~41.3

15.8~35.1

17.7~30.7

Smoking status

Never

126

42

2020

55

0

 

Ex

45

15

1304

25

5

 

Current

237

79

554

81

10

 

Unknown

15

5

39

1

0

Performance

0

 

95

 

129

6

 

1

 

41

 

31

5

 

> 1

 

2

 

0

2

 

Unknown

 

3

 

2

2

Stage**

I

 

69

 

93

6

 

II

 

8

 

16

0

 

III

 

39

 

30

6

 

IV

 

25

 

12

3

 

Unknown

 

0

 

11

0

Histology

Adenocarcinoma

 

100

 

123

 
 

Squamous cell carcinoma

 

36

 

33

 
 

Others

 

4

 

5

 
 

Unknown

 

1

 

1

 
  1. * Significant at p < 0.001 in t-test
  2. ** In principle, stage indicates pathological stage (p-stage). In some advanced stage (III and IV) patients who had not undergone pathological examinations, clinical stage (c-stage) is indicated instead.
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BMC Cancer

ISSN: 1471-2407

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