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Table 1 Patient and tumor characteristics.

From: Clinical-dosimetric analysis of measures of dysphagia including gastrostomy-tube dependence among head and neck cancer patients treated definitively by intensity-modulated radiotherapy with concurrent chemotherapy

Variable

No. patients

%

Age

Mean 56,

 

   Continuous

range 32-77

 

Gender

  

   Male

32

82

   Female

7

18

Active smoking *

  

   Yes

30

77

   No

9

13

Alcohol use

  

   Heavy**

11

28

   Others

28

72

KPS

  

   80-100

25

64

   60-70

14

36

Primary site

  

   Oral cavity

2

5

   Oropharynx

25

64

   Larynx

6

15

   Hypopharynx

3

8

   Unknown primary

3

8

T stage

  

   T0, 1, 2

25

64

   T3, 4

14

36

N stage

  

   N0/N1

16

41

   N2

19

49

   N3

4

10

Chemo regimen

  

   CDDP-based

33

85

   Others

6

15

Post RT neck dissection

  

   Yes

5

13%

   No

34

87%

  1. *: currently smoking or smoking history within one year.
  2. **: self reported active heavy alcohol drinking or more than one 6-pack of beers per day.
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Radiation Oncology

ISSN: 1748-717X

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