Prevalence of patients with self‐reported hidradenitis suppurativa in a cohort of Danish blood donors: a cross‐sectional study

Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease characterized by recurrent inflamed nodules. No pathognomonic test is available for HS; hence the diagnosis is based on three clinical criteria.To estimate the cross-sectional prevalence and characterize patients with HS in the Danish Blood Donor Study cohort.A questionnaire previously developed containing HS screening questions, the Major Depression Inventory, the Short...