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Table 1 Patient characteristics (n = 532)

From: The feasibility analysis of omission of elective irradiation to level IB lymph nodes in low-risk nasopharyngeal carcinoma based on the 2013 updated consensus guideline for neck nodal levels

  

Number

Percentage (%)

Gender

Male

390

73

Female

142

27

Age

Median

50

 

Range

11–80

 

Pathology

WHO II-III

532

100

Stage

I

39

7

II

179

34

III

179

34

IVA

55

10

IVB

80

15

T

T1

176

33

T2

173

33

T3

124

23

T4

59

11

N

N0

82

15

N1

241

45

N2

129

24

N3

80

15

Elective IB Irradiation

Yes

232

44

No

300

56

Radiation Boost

Primary tumor

32

6

Nodal disease

43

8

Chemotherapy

Yes

451

85

No

81

15