Table 1 Demographic data and clinical outcome of the oral tongue patients

Gender

0.444

Male

22

13

Female

9

3

Age at Diagnosis

54.3 ± 10.7

50.9 ± 7.6

0.267

Tumor Size (mm)

30.2 ± 13.8

27.1 ± 11.5

0.451

Invasion Depth (mm)

17.3 ± 10.3

9.7 ± 6.4

0.030*

AJCC Stage

0.437

Early (I-II)

10

7

Locally Advanced (III-IVB)

21

9

Perineural Infiltration

0.458

Yes

19

8

No

12

8

Lymphovascular Permeation

0.458

Yes

19

8

No

12

8

Extracapsular Spread

0.444

Yes

9

3

No

22

13

Postoperative Radiotherapy

0.236

Yes

21

8

No

10

8

Adjuvant Chemotherapy

0.357

Yes

14

5

No

17

11

Loco-regional Recurrence

0.011*

Yes

13

1

No

18

15

Distant Metastasis

0.133

Yes

4

12

No

27

4

Cancer Sequence

0.029*

First Cancer

20

15

Second Primary

11

1