Analysis of Plasma EBV-DNA and Soluble Checkpoint Proteins in Nasopharyngeal Carcinoma Patients after Definitive Intensity-Modulated Radiotherapy

Table 1

Characteristics of nasopharyngeal carcinoma patients.

	Patient (n=37)	Control (n=40)
Age (year)
Median	53	50
Range	37-90	20-73
Gender
Male	25	24
Female	12	16
Tumor status
T1	10
T2	13
T3	12
T4	2
Nodal status
N0	5
N1	15
N2	17
Metastasis status
M0	34
M1	3
TNM stage
I	3
II	13
III	17
IV	4