Skip to main content

Table 1 Patient demographics

From: Harmonic scalpel impact on blood loss and operating time in major head and neck surgery: a randomized clinical trial

 

Harmonic scalpel (n = 17)

Traditional (n = 17)

p-value

Age at surgery

  

ns

 yrs (mean, SD)

61 (9.2)

62 (12.9)

 

Sex (n, %)

  

ns

 Male

11 (65 %)

9 (53 %)

 

 Female

6 (35 %)

8 (47 %)

 

BMI

  

ns

 (mean, SD)

25.7 (0.8)

25.2 (1.4)

 

pT stage (n, %)

  

ns

 T1

2 (12 %)

1 (6 %)

 

 T2

7 (41 %)

4 (24 %)

 

 T3

3 (18 %)

1 (6 %)

 

 T4a

5 (29 %)

11 (65 %)

 

pN stage (n, %)

  

ns

 N0

7 (41 %)

8 (47 %)

 

 N1

6 (35 %)

4 (24 %)

 

 N2b

4 (24 %)

3 (18 %)

 

 N2c

0

2 (12 %)

 

Overall stage (n, %)

  

ns

 I

2 (12 %)

1 (6 %)

 

 II

2 (12 %)

1 (6 %)

 

 III

6 (35 %)

1 (6 %)

 

 IV

7 (41 %)

14 (82 %)