Table 2.

Disease-free survival by clinical and disease characteristics

Factor	Progressors/Total	3-y DFS (%)	p-value
T-stage			0.99
T1-2	6/14	69
T3-4	5/10	56
Lymph Node Mets			0.14
N0/N1	2/8	86
N2	9/16	49
Tumor Grade			0.61
Low	3/5	53
High	8/19	64
Perineural Inv.			0.29
Absent	4/11	70
Present	7/13	55
Age			0.86
< 55	4/9	50
> 55	7/15	71
Gender			0.28
Male	6/16	72
Female	5/8	44
Dose > 63 Gy			0.81
Yes	6/15	63
No	5/9	50
TFHX			0.17
Yes	3/12	80
No	8/12	45