Patterns of recurrence after selective postoperative radiation therapy for patients with head and neck squamous cell carcinoma

Table 3 Pattern of first failures

	Bilateral RT	Unilateral RT
	(n = 38)	(n = 34)	p value
Any failure
Yes	22	10	0.015*
No	16	24	0.015*
Loco-regional failure
Yes	15	7	0.082
No	23	27	0.082
In-field failure
Yes	8	2	0.062
No	30	32	0.062
Extra-field loco-regional failure
Yes	7	5	0.572
No	31	29	0.572
Distant failure
Yes	10	4	0.119
No	28	30	0.119

RT radiation therapy. *A P value of ≤0.05 was considered statistically significant

ISSN: 1471-2407