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Characteristics of NSCLC Patients and Cancer-Free Smokers in a Development Cohort
| NSCLC Cases (n = 63) | Controls (n = 33) | P Value | |
|---|---|---|---|
| Age | 67.93 (SD 9.16) | 63.79 (SD 16.12) | .18 |
| Sex | .36 | ||
| Female | 15 | 8 | |
| Male | 48 | 25 | |
| Smoking pack-years (median) | 32.1 | 31.76 | .19 |
| Stage | |||
| Stage I | 14 | ||
| Stage II | 10 | ||
| Stage III | 17 | ||
| Stage IV | 18 | ||
| Unknown | 4 | ||
| Histological type | |||
| Adenocarcinoma | 32 | ||
| Squamous cell carcinoma | 31 |
