Table 1 Patient and lesion characteristics

Age (mean ± standard), years^a

60.7 ± 11.7

59.8 ± 11.9

0.69

Male/female

41/21

33/17

0.98

Size of tumor (mean ± standard), mm^a

30.0 ± 12.9

30.9 ± 13.2

0.71

Bleeding parameters

 Platelet, 10⁹/L^a

192.8 ± 51

189.7 ± 49

0.76

 PT, s^a

10.7 ± 0.8

10.6 ± 0.7

0.26

 INR^a

0.97 ± 0.1

0.97 ± 0.07

0.84

 aPTT, s^a

27.9 ± 3.7

27.7 ± 2.9

0.33

Tumor location

 Oral tongue

15

13

0.83

 Floor of the mouth

11

11

0.57

 Gingiva

5

4

0.53

 Hard palate

6

0

0.03

 Base of the tongue

15

14

0.65

 Parapharyngeal space

5

4

0.99

 Tonsil

5

4

0.99