Table 1.
Demographic and clinical data of 64 lung cancer patients and 64 cancer-free controls
| 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.