| Cardiff Acne Disability Index | CADI Pre-treatment | CADI Post-treatment | *P value | |||
| N | % | N | % | |||
| Aknicare (TCEL lotion) | Mild impairment | 0 | 0.0% | 12 | 40.0% | 0.014 |
| Moderate impairment | 15 | 50.0% | 18 | 60.0% | ||
| Severe impairment | 15 | 50.0% | 0 | 0.0% | ||
| Azelaic acid cream | Mild impairment | 0 | 0.0% | 12 | 40.0% | 0.023 |
| Moderate impairment | 14 | 46.7% | 15 | 50.0% | ||
| Severe impairment | 16 | 53.3% | 3 | 10.0% | ||