Table 2.
Distribution of percentage changes of the upper lip length in frontal views of the patients underwent open rhinoplasty.
| Surgical procedures | Number | Increased | Decreased | Average of changes (%) | P-value |
|---|---|---|---|---|---|
| Number | Number | ||||
| Columella strut graft | 53 | 40 | 13 | +4.02 ± 5.11 | <001/0 |
| Premaxillary augmentation | 10 | 9 | 1 | +6.6 ± 4.25 | 001/0 |
| Alar resection | 45 | 30 | 15 | +3.16 ± 5.23 | <001/0 |
| Spreader graft | 26 | 19 | 7 | +3.81 ± 5.14 | 001/0 |
| Nasal spine alteration | 4 | 2 | 2 | +0.5 ± 4.12 | 0.824 |
| Tip rotation | 10 | 5 | 5 | +0.9 ± 4.95 | 0.58 |
| Columella retraction | 15 | 11 | 4 | +2.93 ± 5.2 | 0.046 |
| DSN removal | 6 | 6 | 0 | +10 ± 3.03 | <0.001 |
| DSN release | 24 | 17 | 7 | +3 ± 4.77 | 0.005 |
| Shield graft | 14 | 7 | 7 | +0.79 ± 3.97 | 0.472 |