Table 1.
Patient and tumor characteristics
| N (%) | |
|---|---|
| Age | |
| Median | 52 |
| <40 | 36 (20) |
| 40–50 | 47 (27) |
| 51–60 | 47 (27) |
| 61–70 | 30 (17) |
| >70 | 17 (10) |
| Gender | |
| Male | 125 (71) |
| Female | 52 (30) |
| Smoking status* | |
| Never | 92 (52) |
| Former | 54 (31) |
| Current | 31 (18) |
| Smoking pack-years** | |
| <100 cigarettes lifetime | 92 (52) |
| 0–10 | 17 (10) |
| >10 | 60 (34) |
| Unknown | 8 (5) |
| Ethnicity/Race | |
| White† | 89 (51) |
| Black† | 16 (9) |
| Asian | 55 (31) |
| Hispanic/Latino | 14 (8) |
| Unknown | 3 (2) |
| T-category | |
| T1 | 66 (36) |
| T2 | 37 (20) |
| T3 | 48 (26) |
| T4 | 26 (14) |
| N-category | |
| N0 | 48 (26) |
| N1 | 49 (27) |
| N2 | 55 (30) |
| N3a | 9 (5) |
| N3b | 16 (9) |
| Histology | |
| Keratinizing | 11 (6) |
| Non-keratinizing | 125 (69) |
| Basaloid | 2 (1) |
| Unknown | 39 (21) |
*
‘Never’ defined as less than 100 cigarettes life-time. ‘Former’ defined as smoking cessation for at least 12 months.
**
Among ‘former’ or ‘current’ smokers.
†
Non-hispanic/latino ethnicity.