Table 2.
Patient- and surgery-related variables.
| Patient-related variable (n=183 patients) | |
| Age (years) | 40.7 (14.3, 2-86) |
| <18 | 10 (5.5) |
| 18 – 60 | 160 (87.4) |
| > 60 | 13 (7.1) |
| Gender | |
| Male | 91 (49.7) |
| Female | 92 (50.3) |
| Body mass index (kg/m2)(median, IQR, range)a | 29 (11-148) |
| ≤ 25 | 55 (30.2) |
| >25 | 127 (69.8) |
| Current smoker | |
| Yes | 59 (32.2) |
| Diabetic | |
| Yes | 28 (15.3) |
| Surgery-related variables (n=191 parotidectomies) | |
| Side of parotid surgery | |
| Right | 100 (52.4) |
| Left | 91 (47.6) |
| Surgery | |
| Primary surgery | 180 (94.2) |
| Revision surgery | 11 (5.8) |
| Use of Intraoperative facial nerve monitor | |
| Yes | 41 (21.5) |
| Deep lobe involvement | |
| Yes | 20 (10.5) |
| Extent of surgery | |
| Enucleation | 1 (0.5) |
| Extracapsular dissection | 8 (4.2) |
| Partial superficial parotidectomy | 16 (8.4) |
| Superficial parotidectomy | 140 (73.3) |
| Total parotidectomy | 26 (13.6) |
| Duration of surgery (hours)b | 3.0 (1.4, 0.125-8.2) |
| Direction of facial nerve dissectionc | |
| Antegrade | 153 (80.1) |
| Retrograde | 33 (17.3) |
| Postoperative facial weakness | |
| Temporary | 46 (24.1) |
| Permanent | 6 (3.1) |
| Undetermined due to short follow-up | 9 (4.7) |
| Duration of follow up (months) median (IQR, range) | 10.0 (21, 0-125) |
| Specimen volume (cc)d(median, range) | 34.6 (41.9, 3-512) |
Data are number (%), mean (standard deviation and range) unless otherwise noted.
a
Missing in 1 patient;
b
Missing in 5 cases;
c
Missing in 5 cases;
d
Missing in 4 cases.