Table 1 Study groups characteristics

From: Cell-free DNA levels in plasma of patients with non-small-cell lung cancer and inflammatory lung disease

Characteristics

N

 

Percent (%)

NSCLC patients

N

50

 

100

Median age (years), range

 

65 (39–84)

 

Sex

 Male

32

 

64

 Female

18

 

36

Histology (WHO)

 ADC

24

 

48

 SCC

22

 

44

 Other

4

 

8

Stage (TNM)

 I

22

 

44

 II

20

 

40

 IIIA

8

 

16

COPD patients

N

34

 

100

Median age (years), range

 

69 (41–82)

 

Sex

 Male

23

 

67.6

 Female

11

 

32.4

Asthma patients

N

32

 

100

Median age (years), range

 

55 (23–80)

 

Sex

 Male

13

 

40.6

 Female

19

 

59.4

Sarcoidosis patients

N

35

 

100

Median age (years), range

 

44 (29–65)

 

Sex

 Male

19

 

54.3

 Female

16

 

45.7

Healthy controls

N

40

 

100

Median age (years), range

 

40.5 (24–66)

 

Sex

 Male

13

 

32.5

 Female

27

 

67.5

  1. Abbreviations: ADC=adenocarcinoma; COPD=chronic obstructive pulmonary disease; NSCLC=non-small-cell lung cancer; SCC=squamous cell carcinoma; TNM=tumour node metastasis.
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