Table 2: Characteristics of patients detected secondary cervical lymph node metastases.
| Characteristics | No. of patients (% of total) | |
| Sex | Male | 9 (56) |
| Female | 7 (44) | |
| Age (y) | Range | 36-80 |
| Mean | 64.4 | |
| Primary site | Tongue | 10 (63) |
| Mandibular gingiva | 1 (6) | |
| Maxillary gingiva | 1 (6) | |
| Floor of mouth | 1 (6) | |
| Buccal mucosa | 3 (19) | |
| Total | 16 (100) | |