Table 1. Demographic and clinical characteristics of patients.
| n | % | |
|---|---|---|
| Age (mean ± SD) | 55.7 ± 10.5 | |
| Gender | ||
| Male | 57 | 82.6 |
| Female | 12 | 17.4 |
| Occupation | ||
| Blue collar | 24 | 34.8 |
| White collar | 27 | 39.1 |
| None | 18 | 26.1 |
| Alcohol | 34 | 49.3 |
| Betel nut | 28 | 40.6 |
| Smoking | 46 | 66.7 |
| Diabetic mellitus | 12 | 17.4 |
| Hypertension | 16 | 23.2 |
| Laterality | ||
| L | 36 | 52.2 |
| R | 27 | 39.1 |
| Bil | 6 | 8.7 |
| Nodal stage | ||
| N1/N2a | 13 | 18.8 |
| N2b/N2c | 36 | 52.2 |
| N3 | 20 | 29.0 |
| Supraclavicular node | 8 | 11.6 |
| Extracapsular spread | 41 | 59.4 |
| Pathology1 | ||
| MD | 21 | 30.4 |
| PD | 41 | 59.4 |
| Undifferentiated | 7 | 10.1 |
| Treatment2 | ||
| ND | 5 | 7.2 |
| ND + adjuvant therapy | 40 | 58.0 |
| RT alone | 9 | 13.0 |
| Combined therapy | 15 | 21.7 |
| Appearance of primary | 10 | 14.5 |
1Pathology: MD (moderate differentiated), PD (poorly differentiated)
2Treatment: ND (neck dissection), RT (radiation), combined therapy (chemotherapy + RT, concurrent chemoradiation)