Research Article

Digital PCR for the Analysis of MYC Copy Number Variation in Lung Cancer

Table 3

MYC copy numbers regarding the analyzed clinicopathological parameters ().

Tumor
CharacteristicGroup (, 42.6%) (, 57.4%) value (chi2 test)

Age, (%)≤67 years31 (56.4)34 (45.9)0.242
>67 years24 (43.6)40 (54.1)
Sex, (%)Male34 (61.8)46 (62.2)0.968
Female21 (38.2)28 (37.8)
Smoking status, (%)Never7 (12.7)8 (10.8)0.929
Former29 (52.7)41 (55.4)
Current19 (34.6)25 (33.8)
Histological subtypes, (%)Adenocarcinoma29 (52.7)38 (51.4)0.338
Squamous cell carcinoma12 (21.8)18 (24.3)
Carcinoid4 (7.3)10 (13.5)
LCNEC#6 (10.9)2 (2.7)
Other§4 (7.3)6 (8.1)
Grade, (%)Missing5 (9.1)8 (10.8)0.441
23 (41.8)38 (51.4)
27 (49.1)28 (37.8)
T stage, (%)Missing2 (3.6)1 (1.4)0.092
T122 (40.0)40 (54.0)
T225 (45.5)20 (27.0)
6 (10.9)13 (17.6)

Fisher’s exact test. #LCNEC: large-cell neuroendocrine carcinoma. §Four adenosquamous carcinomas, two non-small-cell lung cancers, one non-small-cell lung cancer (not otherwise specified), two small-cell carcinomas, and one synovial sarcoma.