Table 1.
Characteristic | NS 1 | CS 2 | FS 3 |
---|---|---|---|
Number | 27 | 43 | 24 |
Sex | |||
Male | 7 (26%) | 13 (30%) | 9 (38%) |
Female | 20 (74%) | 30 (70%) | 15 (62%) |
Average age | 71 | 64 | 71 |
Stage | |||
I | 16 (59%) | 26 (60%) | 16 (67%) |
II | 6 (22%) | 11 (26%) | 6 (25%) |
III | 5 (19%) | 4 (9%) | 1 (4%) |
IV | 0 | 2 (5%) | 1 (4%) |
Ethnicity | |||
Caucasian | 8 (30%) | 11 (26%) | 1 (4%) |
Asian | 16 (59%) | 0 (0%) | 0 (0%) |
Unknown | 3 (11%) | 32 (74%) | 23 (96%) |
Average pack years | 0 | 46 | 47 |
Average years quit | n/a | < 1 | 15 |
1NS as patients who smoked fewer than 100 cigarettes in their lifetime. 2CS were defined as smoking at the time of diagnosis. 3FS as individuals who had stopped smoking at least one year prior to diagnosis.