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Baseline Characteristics.
| Characteristic | No (N = 62) | % |
|---|---|---|
| Age, years | ||
| Median | 52 | |
| Range | 22–84 | |
| Sex | ||
| Male | 23 | 37.1 |
| Female | 39 | 62.9 |
| Smoking history | ||
| Never smoker | 48 | 77.4 |
| Light smoker (<10 pack-years) | 5 | 8.1 |
| Smoker (≥10 pack-years) | 9 | 14.5 |
| Ethnicity | ||
| Asian | 9 | 14.5 |
| Caucasian | 45 | 72.6 |
| African-American | 5 | 8.1 |
| Hispanic | 2 | 3.2 |
| Unknown | 1 | 1.6 |
| Pathology | ||
| Adenocarcinoma | 62 | 100 |
| Squamous | 0 | 0 |
| Stage at diagnosis | ||
| IA | 3 | 4.8 |
| IB | 2 | 3.2 |
| IIA | 1 | 1.6 |
| IIB | 1 | 1.6 |
| IIIA | 7 | 11.3 |
| IIIB | 2 | 3.2 |
| IV | 46 | 74.2 |
