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. 2021 Aug 12;22(6):747–755. doi: 10.1007/s40257-021-00622-7
Patients with nail psoriasis have specific quality-of-life impairments as compared to patients with psoriasis in general.
Quality-of-life impairments that stem specifically from nail involvement in psoriasis should be measured with nail psoriasis-specific and validated questionnaires.
In order to enable comparisons between clinical studies, harmonization of measurement instruments to be used across trials is needed.