Table 1.
Parameter |
Lung Cancer Patients Mean |
% |
Cancer-free Controls Mean |
% |
---|---|---|---|---|
Age, years | 67.1 | 66.9 | ||
Gender | ||||
Men | 43 | 67.18 | 44 | 68.75 |
Women | 21 | 32.82 | 20 | 31.25 |
Race | ||||
White American | 40 | 62.5 | 43 | 67.19 |
African American | 24 | 37.5 | 21 | 32.81 |
Smoking, pack-years | 48.6 | 39.6 | ||
26.9 | 18.6 | |||
Stage | All are stage I NSCLC | |||
Histology | ||||
Adenocarcinoma | 36 | 56.25 | ||
Squamous cell carcinoma | 28 | 43.75 | ||
Location of lung cancer | ||||
Peripheral | 35 | 54.69 | ||
Central | 29 | 45.31 |
Abbreviations: NSCLC, non-small cell lung cancer.