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Table 1 Patient and tumour characteristics

From: Regional recurrence of oropharyngeal cancer after definitive radiotherapy: a case control study

 

Controls

Case

Total

 

n (%)

n (%)

n (%)

p value

T

1

19 (21.6)

5 (21.7)

24 (21.6)

1.000

2

28 (31.8)

7 (30.4)

35 (31.5)

3

24 (27.3)

6 (26.1)

30 (27.0)

4

17 (19.3)

5 (21.7)

22 (19.8)

Total

89 (100)

23 (100)

111 (100)

N

0

10 (11.4)

3 (13.0)

13 (11.7)

0.069

1

23 (26.1)

2 (8.7)

25 (22.5)

2A

25 (28.4)

4 (17.4)

29 (26.1)

2B

15 (17.0)

10 (43.5)

25 (22.5)

2C/3

15 (17.0)

4 (17.4)

19 (17.1)

Total

89 (100)

23 (100)

111 (100)

Sex

male

66 (75.0)

19 (82.0)

85 (76.6)

0.584

female

22 (25.0)

4 (17.4)

26. (23.4)

Total

88 (100)

23 (100)

111 (100)

Hb conc

<140

37 (49.3)

14 (66.7)

51 (53.1)

0.217

>140

38 (50.7)

7 (33.3)

45 (46.9)

Total

75 (100)

21 (100)

96 (100)

PS Karnofsky

<90

6 (7.2)

3 (13)

9 (8.5)

0.465

>90

77 (92,8)

20 (87)

97 (91.5)

Total

83 (100)

23 (100)

106 (100)

HPV-status (>70 % p16+)

+

28 (82.4)

6 (75.0)

34 (81.0)

0.635

-

6 (17.6)

2 (25.0)

8 (19.0)

Total

34 (100)

8 (100)

42 (100)