Table 1 Basic characteristics of NSCLC patients and healthy volunteers

Age (years)

63 ± 14

60 ± 12

61 ± 4

49 ± 16

53 ± 21

Gender (M:F)

20:0

13:0

6:0

16:2

25:25

Antibiotic use

(within 3 months)

No

No

No

No

No

Occupation

Farmer

18

8

6

8

23

Factory worker

2

2

0

2

0

Miner

0

2

0

4

0

Other

0

1

0

4

27

Smoking (daily)

0 cigarettes

3

0

0

2

50

1 ~ 10 cigarettes

2

0

0

4

0

10 ~ 20 cigarettes

4

2

6

8

0

20 ~ 30 cigarettes

9

8

0

4

0

≥ 30 cigarettes

2

3

0

0

0

Chief complaint

Cough

6

6

2

10

Hemoptysis

8

4

2

2

Asthma

2

0

0

0

Fever

0

0

0

2

Chest pain

2

0

2

0

Other

2

3

0

2

Metastasis

Lung inner

-

0

-

2

Liver

-

2

-

2

Bone

-

2

-

2

Lymph nodes (hilar, mediastinal, and cervical)

-

9

-

8

Multiple sites (liver, bone, and intracranial)

-

0

-

4

Survival (months)

≤ 6

8

4

2

4

6 ~ 12

0

3

2

10

12 ~ 24

5

6

0

4

≥ 24

7

0

2

0