| Variables | Adjusted odds ratio | 95% C.I. | p-value | |
| Lower | Upper | |||
| Age (years) |
|
|
|
|
| 20 - 29 | 1 |
|
| p < 0.001 |
| 30 - 39 | 4.471 | 2.671 | 7.483 | p < 0.001 |
| 40 - 49 | 5.371 | 3.222 | 8.952 | p < 0.001 |
| 50 - 59 | 6.921 | 4.074 | 11.759 | p < 0.001 |
| ≥60 | 7.866 | 4.221 | 14.659 | p < 0.001 |
| Gender (female) | 1.698 | 1.199 | 2.405 | 0.003 |
| Year of treatment |
|
|
|
|
| 2013 | 1 |
|
| p < 0.001 |
| 2014 | 0.837 | 0.624 | 1.122 | 0.235 |
| 2015 | 1.243 | 0.931 | 1.658 | 0.140 |
| 2016 | 2.738 | 2.067 | 3.626 | p < 0.001 |
| 2017 | 3.697 | 2.778 | 4.920 | p < 0.001 |
| PDO thread lift | 0.081 | 0.055 | 0.118 | p < 0.001 |
| Silhouette Soft thread | 0.063 | 0.035 | 0.112 | p < 0.001 |
| Nasolabial fold filler | 0.049 | 0.035 | 0.068 | p < 0.001 |
| Masseter botulinum toxin | 0.031 | 0.025 | 0.040 | p < 0.001 |
| Glabella lines botulinum toxin | 0.206 | 0.165 | 0.256 | p < 0.001 |
| Horizontal forehead lines botulinum toxin | 0.309 | 0.244 | 0.390 | p < 0.001 |
| Lateral canthal lines botulinum toxin | 0.258 | 0.202 | 0.329 | p < 0.001 |