Table 4.

Summary of various prognosticators and development of treatment failure (BNI IV–V)

Variable	Good outcome	Treatment failure	p value
No of patients	25 (69.4 %)	11 (30.6 %)	0.03
Gender
Male	16	6	0.87
Female	9	5
Age
≥70 years	15	4	0.34
<70 years	10	7
Side of pain
Right	9	6	0.50
Left	16	5
Duration of symptoms
>18 months	5	5	0.20
<18 months	16	4
Dose
40 Gy	7	5	0.52
45 Gy	18	6
New bothersome facial numbness	4	0	0.41