Table 1. Comparison of clinical data between the surgical group and CRT group.

Factors	Surgical group	CRT group	χ2	P value
Sex
Male	26	21	0.601	0.438
Female	10	5
Age
<50 years	19	12	0.265	0.607
≥50 years	17	14
Local staging
rT1	8	2	4.465	0.215
rT2	9	10
rT3	8	9
rT4	11	5
EBV-DNA group
Negative	19	16	0.471	0.492
Positive	17	10

Notes.

Abbreviations

CRT

chemoradiotherapy