| Variables | Numbers | % |
| Overhang of the upper lip | ||
| 1.6 | 3 | 11.5 |
| 1.7 | 4 | 15.4 |
| 1.8 | 4 | 15.4 |
| 1.9 | 7 | 26.9 |
| 2 | 5 | 19.3 |
| 2.1 | 3 | 11.5 |
| Total | 26 | 100.0 |
| Cupid’s bow shape | ||
| V-shaped | 18 | 69.2 |
| Other | 8 | 30.8 |
| Total | 26 | 100.0 |