TABLE 1.
Patient Demographic Information for Bronchial Brush Samples Collected from Former Smokers Using ECIGs
| Former Smokers n = 21 | Former Smokers, ECIG Users n = 15 | P-value | |
|---|---|---|---|
| Age (years) | 43 (10.7) | 35.8 (10.4) | .05 |
| Sex | 11M/10F | 11M/4F | .30 |
| Race | Multiple: 2 | American Indian/Alaskan Native: 1 | .55 |
| Black/African American: 5 | Black/African American: 3 | ||
| White/Caucasian: 14 | White/Caucasian: 11 | ||
| Pack-years | 10.9 (10.5) | 13.8 (11.3) | .43 |
| Time since quit (months) | 67 (117.5) | 8.7 (4.4) | .06 |
| Carbon monoxide (ppm) | 2.3 (1.42) | 1.857 (1.51) [1 N/A] | .35 |
Samples were collected at Boston University and University of California Los Angeles. Mean values are shown, with standard deviations in parentheses. P-values are shown for the difference between the 2 groups.