Table 2.
Demographic characteristics of the subgroups.
| Patient Characteristics | Age of Former Smokers (Years) | Age of Current Smokers (Years) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 19–29 | 30–39 | 40–49 | 50–59 | ≥60 | 19–29 | 30–39 | 40–49 | 50–59 | ≥60 | |
| Number of subjects | 13 | 32 | 29 | 32 | 27 | 17 | 26 | 32 | 36 | 15 |
| Male/Female | 8/5 | 23/9 | 21/8 | 16/16 | 20/7 | 11/6 | 18/8 | 19/13 | 23/13 | 8/7 |
| Duration of smoking (years) | 9.5 | 18.3 | 26.1 | 32.5 | 41.4 | 9.0 | 17.9 | 27.7 | 37.2 | 43.3 |
| Follow-up period (years) | 5.01 | 4.40 | 4.73 | 4.19 | 4.47 | 3.60 | 4.00 | 3.52 | 3.78 | 4.22 |
| Duration of smoking cessation (years) | 2.62 | 2.75 | 3.31 | 3.38 | 3.67 | |||||