Research Article

A Predictive Model to Determine the Pattern of Nodal Metastasis in Oral Squamous Cell Carcinoma

Table 1

Relationship of tumour differentiation with age, sex, and tumour site.

Well-differentiated SCC (%)Moderately differentiated SCC (%)Poorly differentiated SCC (%)Total

Age groups
20–409 (45)11 (50)1 (5)21
41–5034 (38)49 (55)6 (7)89
51–6088 (50)70 (40)18 (10)176
61–7071 (53)57 (42)7 (5)135
71–8623 (52)19 (43)2 (6)44

Gender
Male15315323329
Female725311136

Primary site
BM104 (60)58 (33.5)11 (6.4)173
FOM19 (44.2)24 (55.8) 0 (0)43
LALR47 (50.5)44 (47.3)2 (2.2)93
P6 (25)11 (45.8)7 (29)24
T43 (38.4)57 (50.9)12 (10.7)112
UALR6 (30)12 (60)2 (10)20

BM: buccal mucosa, FOM: floor of the mouth, LALR: lower alveolar ridge, P: palate, T: tongue, UALR: upper alveolar ridge.