Table 3 Comparison of operative duration and postoperative suture removal time
From: Surgical treatment of preauricular fistulas: a 12-year single-center clinical observation
Variable | Operative duration (min) | Postoperative suture removal time (d) |
|---|---|---|
Timing of surgery | ||
During infection phase | 37.90 ± 5.19 | 3.90 ± 1.03 |
After controlling the infection | 34.20 ± 3.55 | 3.70 ± 0.82 |
During the non-infection phase | 31.10 ± 2.29 | 3.03 ± 0.44 |
t | 18.855 | 15.678 |
P | 0.000 | 0.000 |
Use of magnifying equipment | ||
Microscope | 34.21 ± 4.04 | 3.66 ± 0.80 |
2.5× magnifying glass | 36.70 ± 4.82 | 3.64 ± 0.73 |
No equipment used | 36.83 ± 5.39 | 3.60 ± 0.69 |
t | 0.700 | 0.172 |
P | 0.485 | 0.678 |
Anesthesia method | ||
General anesthesia | 34.49 ± 4.28 | 3.60 ± 0.70 |
Local anesthesia | 34.59 ± 4.50 | 3.64 ± 0.77 |
t | 0.089 | 0.218 |
P | 0.929 | 0.828 |
Use of methylene blue | ||
Yes | 34.45 ± 4.12 | 3.64 ± 0.80 |
No | 34.58 ± 4.60 | 3.60 ± 0.74 |
t | 0.388 | 0.650 |
P | 0.698 | 0.516 |
Parital removal of the cartilage of the pedicle | ||
Yes | 34.33 ± 4.09 | 3.63 ± 0.79 |
No | 34.70 ± 4.54 | 3.61 ± 0.73 |
t | 1.156 | 0.362 |
P | 0.248 | 0.718 |
Incision type | ||
Single shuttle incision | 34.05 ± 4.10 | 3.59 ± 0.69 |
Double incision | 34.40 ± 4.43 | 3.66 ± 0.75 |
Skin flap | 34.80 ± 4.52 | 3.70 ± 0.78 |
t | 2.092 | 2.985 |
P | 0.148 | 0.084 |