Retrospective Study
Copyright ©The Author(s) 2024.
World J Clin Cases. Mar 26, 2024; 12(9): 1578-1584
Published online Mar 26, 2024. doi: 10.12998/wjcc.v12.i9.1578
Table 2 Baseline characteristics of patients after parotidectomy
Clinical features
Frey group (n = 46)
Non-Frey group (n = 36)
P value
Sex (male)26 (56.52%)20 (55.56%)0.93
Age (yr)48.09 ± 14.9547.08 ± 16.310.97
Surgically removed sample size (maximum diameter, cm)3.40 ± 0.972.878 ± 0.790.0291
Method of surgery
ADM implants
    Partial removal of parotid gland890.295
    Complete removal of parotid gland38
No-implant ADM
    Partial removal of parotid gland21180.0061
    Complete removal of parotid gland141
Procedure time (min)198.54 ± 43.87185.97 ± 57.750.92
Implanted ADM
    Yes11170.0271
    No3519
Time of Frey sign occurrence (months)
    Implant ADM7.54 ± 3.200.0011
    Non-implant ADM3.43 ± 2.330