Table 2 Characteristics of serum samples from patients with lung cancer

Non-small cell lung cancer

111 (65.4 ± 10.4)^a

   Male

50 (65.8 ± 10.2)

   Female

61 (61.8 ± 10.3)

Non-small cell lung cancer stage (sub-stage)

   Stage I (IA 19, IB 20)

39

   Stage II (IIA 16, IIB 16)

32

   Stage III (IIIA 21, IIIB 9)

30

   Stage IV

10

Non-small cell lung cancer sub-type

   Adenocarcinoma, NOS

29 (19)^b

   Adenocarcinoma with mixed subtypes

17 (12)

   Mixed cell adenocarcinoma

6 (3)

   Papillary adenocarcinoma, NOS

2 (1)

   Acinar cell carcinoma

7 (5)

   Bronchiolo-alveolar adenocarcinoma, NOS

9 (2)

   Bronchiolo-alveolar carcinoma, non-mucinous

1 (1)

   Mucinous adenocarcinoma

5 (4)

   Squamous cell carcinoma, NOS

19 (6)

   Squamous cell carcinoma, keratinising, NOS

3 (2)

   Adenosquamous carcinoma

3 (2)

   Carcinoid tumor, NOS

2 (1)

   Neuroendocrine carcinoma

2 (0)

   N/A

6 (3)