Histological type

Squamous cell carcinoma

78 (97.5%)

1.41 (1.05 - 1.77)

0.742

Verrucous carcinoma

1 (1.2%)

-

Adenocarcinoma

1 (1.2%)

-

Surgical resection margin

Healthy

45 (68.1%)

2.08 (1.07 - 3.08)

0.007*

Invaded

21 (31.9%)

1.25 (0.62 - 1.87)

Treatment

Chimiotherapy + radiotherapy

13 (16.3%)

1 (0.37 - 1.62)

0.008*

Surgery + chemotherapy

6 (7.5)

0.19 (0.01 - 3.95)

Surgery + Radiotherapy

34 (42.5%)

1.3 (0.61 - 2.04)

Surgery + Chemotherapy + Radiotherapy

21 (26.3%)

1.75 (1.36 - 2.13)

Exclusive surgery

6 (7.5%)

0.41 (0.15 - 0.68).