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Table 1 Patient and disease characteristics in oral cavity cancer (OCC, N = 160)

From: Follow up after IMRT in oral cavity cancer: update

Parameters

PATIENTS

 

Postoperative IMRT

Definitive IMRT

N patients

 

116

44

concomittant systemic therapy

 

78 (67%)

30 (68%)

Induction chemotherapy

 

2 (2%)

5 (11%)

Gender, male / female

 

69% / 31%

57% / 43%

Age, mean / median (range)

 

59 / 58 (25–90) years

66 / 64 (41–85) years

WHO performance status 0, 1, 2

 

83%, 13%, 4%

62%, 34%, 4%

Histology:

squamous cell carcinoma

114 (98%)

43 (98%)

adenoid cystic carcinoma (ACC)

0

1

Merkel cell carcinoma

2 (2%)

0

Localization:

T/FoM

74 (64%)

30 (68%)

mandible/alveolar process/TR

32 (28%)

7 (16%)

buccal mucosa (cheek)

8 (7%)

4 (9%)

others (lip, palate)

2 (2%)

3(7%)

T stage:

rT0

9 (8%)

0

rT+

17 (15%)

10 (23%)

T1

16 (14%)

1 (2%)

T2

35 (30%)

6 (14%)

T3

10 (9%)

6 (14%)

T4

29 (25%)

21 (48%)

N stage:

rN0

5 (4%)

2 (5%)

rN+

15 (13%)

2 (5%)

N0

36 (31%)

12 (27%)

N 1a-2b

44 (38%)

13 (30%)

N2c

10 (9%)

15 (34%)

N3

1 (1%)

0

Stage

I

5 (4%)

0

II

10 (9%)

0

III

17 (15%)

1 (2%)

IV

57 (49%)

33 (75%)

nodal or primary recurrence

27 (23%)

10 (23%)

Follow up, mean/median (range)

all patients

33 / 18 (2–101) months

20 / 12 (1–87) months

alive patients

35 / 35 (2–101) months

33 / 22 (5–87) months

dead patients

24 / 22 (5–66) months

12 / 8 (3–27) months