Character

Total

Arm I

Arm II

P Value

No.

%

No.

%

No.

%

Age (years):

<60

≥60

 

31

20

 

60.8

39.2

 

15

10

 

60

40

 

16

10

 

61.5

38.5

 

0.9104

 

Sex:

Male

Female

 

39

12

 

76.5

23.5

 

20

5

 

80

20

 

19

7

 

73.1

26.1

 

0.56.01

 

Smoking:

Smoker

Non smoker

 

31

20

 

60.8

39.2

 

15

10

 

60

40

 

16

10

 

61.5

38.5

 

0.9104

 

ECOG score

1

2

 

31

20

 

60.8

39.2

 

15

10

 

60

40

 

16

10

 

61.5

38.5

 

0.9104

 

Site:

Oral cavity

Nasopharynx

Oropharynx

Hypopharynx

Larynx

 

5

20

6

10

10

 

9.8

39.2

11.8

19.6

19.6

 

2

12

2

4

5

 

8

48

8

16

20

 

3

8

4

6

5

 

11.5

30.8

15.4

23.1

19.2

 

0.6709

0.2076

0.4132

0.5245

0.9448

Grade

I

II

III

Undifferentiated

 

11

10

12

18

 

21.6

19.6

23.5

35.3

 

5

6

5

9

 

20

24

20

36

 

6

4

7

9

 

23.1

15.4

26.9

34.6

 

0.7894

0.4385

0.5601

0.9176

T-stage

T2

T3

T4

 

10

31

10

 

19.6

60.8

19.6

 

4

16

5

 

16

64

20

 

6

15

5

 

23.1

57.7

19.2

 

0.5245

0.9104

0.9448

N-stage:

N0

N1

N2

N3

 

11

11

20

9

 

21.6

21.6

39.2

17.6

 

5

4

13

3

 

20

16

52

12

 

6

7

7

6

 

23.1

26.9

26.9

23.1

 

0.7894

0.3430

0.0667

0.2995

AJC stage:

III

IV

 

21

30

 

41.2

58.8

 

11

14

 

44

56

 

10

16

 

38.5

61.5

 

 

0.6878

Table 1: Patient Characteristics.