Characteristic

Subject group

Group P

Statistically significant

Patients (n = 207)

103

104

Period

2000-2011

2000-2011

Sex

Male

Female

81 (78.6%)

22 (21.4%)

95 (91.3%)

9 (8.7%)

p < 0.01

Age range (mean)

80 - 93 (83.8)

75 - 79 (76.7)

Primary tumor sites

Larynx

Nasopharynx

Mesopharynx

Hypopharynx

Oral cavity

Salivary glands

Nasal cavity/paranasal sinus

Auditory organ

41

6

17

13

13

6

5

2

37

4

17

18

13

4

6

5

NS

TNM stage

Stage I

Stage II

Stage III

Stage IV

20

25

18

40

24

19

1

47

NS

Performance status (PS)

PS 0

PS 1

PS 2

PS 3

PS 4

45

34

16

5

3

60

30

8

5

1

NS

Average PS

0.9

0.63

NS

Multile primary cancer

None

One

Two

Three or more

62

29

10

2

61

33

5

5

NS

Comorbidity

None

One

Two

Three or more

Average

15

32

26

30

1.85

25

37

27

15

1.38

p < 0.01