Table 1 Descriptive characteristics of the enrolled patients
Variables | Number (%) |
|---|---|
Sex | |
Male | 43 (81.1%) |
Female | 10 (18.9%) |
Operation extent | |
Superficial parotidectomy | 18 (34.0%) |
Total parotidectomy | 35 (66.0%) |
Tumor stage | |
T1 | 10 (18.9%) |
T2 | 22 (41.5%) |
T3 | 13 (24.5%) |
T4 | 8 (15.1%) |
Neck lymph node stage | |
N0 | 30 (56.6%) |
N+ | 23 (43.4%) |
Perineural invasion | 21 (39.6%) |
Lymphovascular invasion | 16 (30.2%) |
Intraparotid node metastasis | 23 (43.3%) |
Negative margin | 49 (92.5%) |