Table 5.

Disease free survival (DFS) among patients with cancer of the oral tongue by various parameters

Variable	Total No. of cases	Survival 1 year	Survival 2 years
Overall DFS	75	78.4%	68.42%
Tumour status:
T1	13	85.71%	76.2%
T2	33	88.7%	83.5%
T3	15	51.4%	51.4%
T4	14	68.6%	36.6%	P = .03
Nodal status:
pN0	42	87%	79%
pN1	12	72.7%	72.7%
pN2	20	61.4%	39.5%
pN3	1	-	-	P = .03