Efficacy of concurrent chemoradiotherapy alone for loco-regionally advanced nasopharyngeal carcinoma: long-term follow-up analysis

Table 3 Failure patterns in subgroups

Failure site	Low-risk (n = 244)		Medium-risk (n = 134)		High-risk (n = 78)		P
Failure site	No. of patients	%	No. of patients	%	No. of patients	%	P
Locoregional recurrence	21	9	8	6	12	15	0.066
Distant metastasis	24	10	26	19	22	28	< 0.001
Loco-regional and distant metastasis	5	2	0	0	3	4	0.106
Death	35	14	39	29	39	50	< 0.001

ISSN: 1748-717X