Table 1.
Patient demographics and baseline characteristics
| Demographic parameter | Per protocol population (N=191) |
|---|---|
| Mean age, years (standard deviation [SD]) | 63.9 (11.34) |
| Range | 42–94 |
| Female, n (%) | 111 (58.1%) |
| Primary race, n (%) | |
| Caucasian | 160 (83.8%) |
| African American | 27 (14.1%) |
| Asian | 0 |
| American Indian or Alaska Native | 2 (1%) |
| Other | 2 (1%) |
| Ethnicity | |
| Not Hispanic or Latino | 189 (99.0%) |
| Hispanic or Latino | 2 (1%) |
| Mean height, inches (SD) | 65.92 (4.059) |
| Range | 55.0–79.0 |
| Mean weight, lbs (SD) | 182.17 (46.187) |
| Range | 96.0–327.0 |
| Mean body mass index, kg/m2 (SD) | 29.47 (7.150) |
| Range | 15.2–56.5 |
| Smoking status, n (%) | |
| Never smoked | 9 (4.7%) |
| Current smoker | 58 (30.4%) |
| Past smoker | 124 (64.9%) |
| Mean pack years, current and past smokers (SD) | 46.0 (29.08) |
| Range | 1–248 |
Note: N refers to the per protocol population, upon which analyses were conducted; n refers to the smaller sub-group populations.