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Psoriasis frequency in difficult-to-treat areas with psoriasis severity [38].
| Difficult-to-Treat Areas | % of Patients with Mild Psoriasis | % of Patients with Moderate Psoriasis | % of Patients with Severe Psoriasis |
|---|---|---|---|
| scalp | 48.1% | 57.8% | 66.1% |
| face | 27.6% | 41.8% | 53.3% |
| palms | 13.5% | 22.9% | 19.5% |
| nails | 25.6% | 31.1% | 42.4% |
| genitals | 12.5% | 18.1% | 27.2% |
| soles | 16.7% | 24.7% | 22.1% |
