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 ± 14.95 | 47.08 ± 16.31 | 0.97 |
| Surgically removed sample size (maximum diameter, cm) | 3.40 ± 0.97 | 2.878 ± 0.79 | 0.0291 |
| Method of surgery | |||
| ADM implants | |||
| Partial removal of parotid gland | 8 | 9 | 0.295 |
| Complete removal of parotid gland | 3 | 8 | |
| No-implant ADM | |||
| Partial removal of parotid gland | 21 | 18 | 0.0061 |
| Complete removal of parotid gland | 14 | 1 | |
| Procedure time (min) | 198.54 ± 43.87 | 185.97 ± 57.75 | 0.92 |
| Implanted ADM | |||
| Yes | 11 | 17 | 0.0271 |
| No | 35 | 19 | |
| Time of Frey sign occurrence (months) | |||
| Implant ADM | 7.54 ± 3.2 | 0 | 0.0011 |
| Non-implant ADM | 3.43 ± 2.33 | 0 |
1
Comparison of the time when Frey signs occurred with and without acellular dermal matrix implantation.
ADM: Acellular dermal matrix.