Table 2.
Sociodemographic characteristics of patients who underwent spirometry.
| Characteristic | N = 10 |
|---|---|
| Age (years), mean ± S.D. | 44.7 ± 16.1 |
| Gender, n | |
| Male | 9 |
| Female | 1 |
| Race, n | |
| Caucasian | 6 |
| African American | 4 |
| Smoker, n | |
| Current | 4 |
| Former | 1 |
| Nonsmoker | 5 |
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