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The relationship between the site and presence/absence of lymph node metastasis
| Primary site | Lymph node metastasis present (n = 75)(%) | Lymph node metastasis absent (n = 215)(%) | Chi square test |
|---|---|---|---|
| Buccal mucosa (BM) | 21 (16.0) | 109 (84.0) | BM vs T (p = 0.0029) |
| Tongue (T) | 20 (37.7) | 33 (62.3) | BM vs FOM (p = 0.0026) |
| Floor of the mouth (FOM) | 12 (46.2) | 14 (53.8) | BM vs AM, P, L (NS) |
| Alveolar mucosa (AM) | 11 (29.7) | 26 (70.2) | FOM vs T (NS) |
| Palate (P) | 07 (24.1) | 22 (75.9) | |
| Lip (L) | 04 (26.6) | 11 (73.4) |
