|
Group
|
No. of patients (%)
|
p value
|
|---|
|
With bipolar coagulation forceps (n = 82)
|
Without bipolar coagulation forceps (n = 95)
|
|---|
|
Age (y)
|
46.76 ± 16.01
|
45.66 ± 17.04
|
0.6590
|
|
Sex
| | |
0.3647
|
|
Man
|
43 (53.7)
|
57 (60)
| |
|
Woman
|
38 (46.3)
|
38 (40)
| |
|
Surgical procedure
| | |
0.4377
|
|
A
|
40 (48.8)
|
54 (56.8)
| |
|
B
|
37 (45.1)
|
38 (40)
| |
|
C
|
5 (6.1)
|
3 (3.2)
| |
|
Pathology
| | |
0.6983
|
|
Pleomorphic adenoma
|
30 (36.6)
|
33 (34.7)
| |
|
Warthin tumor
|
23 (28.1)
|
31 (32.6)
| |
|
Branchial cyst
|
0
|
1 (1)
| |
|
Basal cell adenoma
|
4 (5)
|
6 (6.3)
| |
|
Monomorphic adenoma
|
2 (2.4)
|
2 (2.1)
| |
|
Tuberculosis
|
0
|
1 (1)
| |
|
Hemangioma
|
1 (1.2)
|
2 (2.1)
| |
|
Benign lymphoepithelial lesion
|
4 (5)
|
5 (5.3)
| |
|
Lymphoma
|
0
|
1 (1)
| |
|
Squamous cell carcinoma
|
3 (3.7)
|
2 (2.1)
| |
|
Chronic sialadenitis
|
2 (2.4)
|
2 (2.1)
| |
|
Neuroendocrine carcinoma
|
0
|
1 (1)
| |
|
Oncocytic carcinoma
|
1 (1.2)
|
1 (1)
| |
|
Neurilemmoma
|
1 (1.2)
|
0
| |
|
Myoepithelioma
|
1 (1.2)
|
0
| |
|
Oxyphilic adenoma
|
0
|
0
| |
|
Ductal papilloma
|
1 (1.2)
|
0
| |
|
Cystadenoma
|
2 (2.4)
|
1 (1)
| |
|
Mucoepidermoid carcinoma
|
1 (1.2)
|
2 (2.1)
| |
|
Acinic cell carcinoma
|
5 (6.1)
|
2 (2.1)
| |
|
Adenoid cystic carcinoma
|
0
|
1 (1)
| |
|
Lipoma
|
0
|
1 (1)
| |
|
Salivary duct carcinoma
|
1 (1.2)
|
0
| |
|
Tumor volume
|
14.53 ± 19.05
|
14.35 ± 34.37
|
0.9681
|
|
Alcohol history
| | |
0.2402
|
|
Yes
|
43 (52.4)
|
42 (44.2)
| |
|
No
|
39 (47.6)
|
53 (55.8)
|
0.8914
|
|
Smoking history
| | | |
|
Yes
|
38 (46.3)
|
45 (47.4)
| |
|
No
|
44 (53.6)
|
50 (52.6)
|
0.4507
|
|
Surgeons
| | | |
|
a
|
46(56.1)
|
48 (49.5)
| |
|
b
|
36 (43.9)
|
47 (50.5)
| |
- The data showed as mean ± SD; Surgical procedure, A, tumor and partial superficial parotidectomy with branched facial nerve dissection; B, tumor and partial superficial parotidectomy with main trunk facial nerve dissection; C, tumor and total parotidectomy with main trunk facial nerve dissection; Surgeons, a and b represents the two senior surgeons