Table 5. - Distribution of the patients with head and neck cancer by smoking history and by the variables time to smoke the first cigarette of the day, disease stage, and smoking cessation.
| Variable | Category | Smoking history, pack-years | Total | p | |
|---|---|---|---|---|---|
| ≤ 40 | > 40 | ||||
| Time to smoke the first cigarette of the day | Within 30 min of awakening | 13 (23.6%) | 42 (76.4%) | 55 (100%) | 0.270** |
| After 30 min of awakening | 6 (37.5%) | 10 (62.5%) | 16 (100%) | ||
| Disease stage | Early | 9 (42.9%) | 12 (57.1%) | 21 (100%) | 0.047** |
| Advanced | 10 (20.0%) | 40 (80.0%) | 50 (100%) | ||
| Smoking cessation | Yes | 17 (27.0%) | 46 (73.0%) | 63 (100%) | 0.960* |
| No | 2 (25.0%) | 6 (75.0%) | 8 (100%) | ||
*
Fisher's exact test