Table I.
Clinical characteristics of 448 patients undergoing parotidectomy.
| No perioperative prophylaxis (%) | Perioperative prophylaxis protocol (%) | p | |
|---|---|---|---|
| Sex | |||
| Males | 162 (57.2) | 87 (52.7) | 0.38 |
| Females | 121 (42.8) | 78 (47.3) | |
| Age (mean ± SD) | 57.8 ± 16.4 | 59 ± 16 | 0.46 |
| Diabetes | |||
| Yes | 24 (8.5) | 7 (4.2) | 0.12 |
| No | 259 (91.5) | 158 (95.8) | |
| Histology | |||
| Benign | 250 (88.3) | 147 (89.1) | 0.88 |
| Malignant | 33 (11.7) | 18 (10.9) | |
| Type of parotidectomy | |||
| Superficial/partial | 250 (88.3) | 156 (94.6) | p < 0.01 |
| Total | 16 (5.7) | 8 (4.9) | |
| Radical | 17(6) | 1 (0.6) | |
| Neck dissection | |||
| Yes | 30 (10.4) | 9 (5.4) | 0.08 |
| No | 253 (89.4) | 156 (94.6) | |
| Drain output first 24 hours | |||
| < 50 ml | 136 (48.1) | 67 (40.6) | 0.14 |
| ≥ 50 ml | 147 (51.9) | 98 (59.4) | |
| Previous infection | |||
| Yes | 21 (7.42) | 18 (10.9) | 0.23 |
| No | 262 (92.58) | 147 (89.1) | |
| Surgical site infection | |||
| Yes | 16 (5.7) | 13 (7.9) | 0.43 |
| No | 267 (94.3) | 152 (92.1) | |
SD = standard deviation.