Table 1

Characteristics of the Study Cohort

Parameter

Measurement

Number of Cases (%)


Patients

Count

46 (100%)


Age

Mean

60.2

Median

63

Range

34-82


Sex

Male

30

Female

16


Follow Up (months)

Mean

44.4

Median

21.5

Range

2-141


Time to Event (months)

Mean

13

Median

9

Range

2-51


TNM

T1

6 (13%)

T2

18 (39%)

T3

9 (20%)

T4

13 (28%)

N0

20 (44%)

N1

7 (15%)

N2

19 (41%)

N2a

2 (4%)

N2b

14 (30%)

N2c

3 (7%)

M0

46 (100%)


Grade

G1

4 (9%)

G2

37 (80%)

G3

5 (11%)


Location

Tongue

27 (59%)

Floor

5 (11%)

Tongue+Floor

8 (17%)

Right retromolar trigone

2 (4%)

Left retromolar trigone

1 (2%)

Right buccal

2 (4%)

Left inferior alveolar

1 (2%)


Adverse Event*

Yes

25 (54%) [2nd primary: 4/25]

No

21 (46%)


*Adverse Event: Tumor recurrence or second primary OSCC

Schwock et al. BMC Clinical Pathology 2010 10:1   doi:10.1186/1472-6890-10-1

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