Table 1: Patient characteristics, extent and location of the neoplasm, and treatment received according to evolution.

>

Variables

Study group

n = 138

CR

n = 77

NCR

n = 61

p-value

>

Age, median (range)

62 (54-71)

61 (54-70)

65 (54-72)

0.565

>

Sex (% male)

121 (87.7)

68 (88.3)

53 (86.9)

0.800

>

Neoplasm location

 

 

 

0.469

>

Oral cavity

26 (18.8)

16 (20.8)

10 (16.4)

 

>

Pharynx

29 (21.0)

14 (18.2)

15 (24.6)

 

>

Larynx

50 (36.2)

28 (36.4)

22 (36.1)

 

>

Cavum

8 (5.8)

5 (6.5)

4 (6.6)

 

>

Paranasal sinuses

10 (7.2)

5 (6.5)

5 (8.2)

 

>

Thyroid

2 (1.4)

1 (1.3)

1 (1.6)

 

>

Multiple

1 (0.7)

1 (1.3)

0 (0.0)

 

>

Primary unknown

12 (8.7)

7 (9.1)

5 (8.2)

 

>

Histology

 

 

 

< 0.001

>

Squamous cell carcinoma

87 (63.0)

57 (74.0)

30 (49.2)

 

>

Small cell carcinoma

4 (2.9)

3 (3.9)

1 (1.6)

 

>

Epidermoid

29 (21.0)

5 (6.5)

24 (39.3)

 

>

In situ

9 (6.5)

9 (11.7)

0 (0.0)

 

>

Undifferentiated

7 (5.1)

1 (1.3)

6 (9.8)

 

>

Adenoid cystic carcinoma

2 (1.4)

2 (2.6)

0 (0.0)

 

>

AJCC stage 6th edition

 

 

 

< 0.001

>

I

10 (7.2)

10 (13.0)

0 (0.0)

 

>

II

10 (7.2)

10 (13.0)

0 (0.0)

 

>

III

38 (27.5)

33 (42.9)

5 (8.2)

 

>

IV

80 (58.0)

24 (31.2)

56 (91.8)

 

>

Surgery

65 (47.1)

35 (45.5)

30 (50.0)

0.597

>

Chemotherapy

110 (79.7)

68 (88.3)

42 (68.9)

0.005

>

Radiotherapy

91 (65.9)

59 (76.6)

32 (54.2)

0.006

Values ​​as median (interquartile range) or n (percentage); CR: Complete Remission; NCR: Non Complete Remission; AJCC: American Joint Committee on Cancer. p-value: Calculated with the chi-square test or Mann-Whitney test.