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Table 1 Characteristics of patients with stage II non-small cell lung cancer

From: The lung microbiome, peripheral gene expression, and recurrence-free survival after resection of stage II non-small cell lung cancer

 

All

Patients with tumor sample

Patients with normal lung sample

N

46

39

41

Age, years, mean ± SD

70 ± 9

70.8 ± 8.7

70 ± 9.1

Male, n (%)

23 (50.0)

20 (51.3)

21 (51.2)

Race, n (%)

 White

40 (87)

35 (89.7)

37 (90.2)

 Hispanic

4 (8.7)

2 (5.1)

4 (9.8)

 Other

2 (4.3)

2 (5.1)

0 (0)

Smoking history, n (%)

 Never

7 (15.2)

6 (15.4)

4 (9.8)

 Former

29 (63.0)

25 (64.1)

28 (68.3)

 Current

10 (21.7)

8 (20.5)

9 (22.0)

Histology, n (%)

 Adenocarcinoma

23 (50.0)

20 (51.3)

18 (43.9)

 Squamous cell carcinoma

23 (50.0)

19 (48.7)

23 (56.1)

Stage, n (%)

 IIA

30 (65.2)

26 (66.7)

26 (63.4)

 IIB

16 (34.8)

13 (33.3)

15 (36.6)

Lymphovascular invasion, n (%)

24 (52.2)

21 (53.8)

21 (51.2)

Pleural invasion, n (%)

36 (78.3)

30 (76.9)

32 (78)

Tumor size, cm, mean ± SD

4.3 ± 2.1

4.3 ± 2.2

4.4 ± 2.1

Percent positive nodes, %, mean ± SD

13.0 ± 16.0

13.1 ± 17.0

13.4 ± 16.3

Chemotherapy, n (%)

15 (32.6)

13 (33.3)

12 (29.3)

Recurrence type, n (%)

 None

22 (47.8)

20 (51.3)

20 (48.8)

 Nodal

6 (13.0)

5 (12.8)

6 (14.6)

 Systemic

12 (26.1)

9 (23.1)

10 (24.4)

 New primary

4 (8.7)

3 (7.7)

4 (9.8)

 Multiple types

2 (4.3)

2 (5.1)

1 (2.4)

Alive at last follow-up, n (%)

23 (50.0)

19 (48.7)

21 (51.2)