Research Article

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

Table 2

The relationship between clinicopathological parameters and nodal status in patients with OSCC.

VariableFrequency (%)Positive nodes (%)Extra capsular invasion (%)

Age
20–4021 (4.5)11 (52.3)11NS
41–5090 (14.35)42 (46.6)31
51–60177 (38.06)82 (46.3)60
61–70133 (28.6)54 (40.6)40
71–8644 (9.4)19 (43.18)17

Gender
Male329 (69.8)149 (45.3)110NS
Female136 (29.2)60 (44.1)50

Primary site
BM173 (37.2)66 (38.15)53NS
FOM43 (9.2)19 (4.1)12
LLR93 (20)39 (41.9)28
P24 (5.2)21 (87.5)19
T112 (24.1)52 (46.4)39
UALR20 (4.3)12 (60)9

Tumour stage
117 (5.68)0 (0)00.001
254 (18.06)1 (1.8)1
398 (32.77)49 (50)30
4130 (43.47)87 (66.9)78

Tumour differentiation
Well225 (48.4)51 (26.7)360.001
Moderate206 (44.3)124 (60.2)92
Poor34 (7.3)23 (67.7)20

Invasive front
Inv. I7 (1.5)0 (0)00.001
Inv. II142 (30.53)28 (19.7)17
Inv. III200 (43.01)102 (51)76
Inv. IV113 (24.3)79 (69.91)67

-square test. NS: not significant.