Table 1 Clinical features of 229 lesions in 167 patients
Variable | Patient No. (%) |
|---|---|
Age, years, mean ± SD | 54 (30–87) |
Sex | Â |
Male | 160 (95.8%) |
Female | 7 (4.2%) |
Smoking | 150 (89.8%) |
Alcohol drinker | 150 (89.8%) |
Betel nut chewing | 110 (65.9%) |
History of head and neck cancer | 103 (61.7%) |
Oral cancer | 30 (18.0%) |
Oropharyngeal cancer | 32 (19.2%) |
Hypopharyngeal cancer | 58 (34.7%) |
Laryngeal cancer | 7 (4.0%) |