Prevalence of patients with self‐reported hidradenitis suppurativa in a cohort of Danish blood donors: a cross‐sectional study
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Prevalence of patients with self‐reported hidradenitis suppurativa in a cohort of Danish blood donors : a cross‐sectional study. / Riis, P. Theut; Pedersen, O.B.; Sigsgaard, V.; Erikstrup, C; Paarup, H M; Nielsen, K.R.; Burgdorf, K.S.; Hjalgrim, H; Rostgaard, K.; Banasik, K.; Ullum, H.; Jemec, G.B.
In: British Journal of Dermatology, Vol. 180, No. 4, 2019, p. 774-781.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Prevalence of patients with self‐reported hidradenitis suppurativa in a cohort of Danish blood donors
T2 - a cross‐sectional study
AU - Riis, P. Theut
AU - Pedersen, O.B.
AU - Sigsgaard, V.
AU - Erikstrup, C
AU - Paarup, H M
AU - Nielsen, K.R.
AU - Burgdorf, K.S.
AU - Hjalgrim, H
AU - Rostgaard, K.
AU - Banasik, K.
AU - Ullum, H.
AU - Jemec, G.B.
N1 - This article is protected by copyright. All rights reserved.
PY - 2019
Y1 - 2019
N2 - BACKGROUND: 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.OBJECTIVES: To estimate the cross-sectional prevalence and characterize patients with HS in the Danish Blood Donor Study cohort.METHODS: A questionnaire previously developed containing HS screening questions, the Major Depression Inventory, the Short Form-12, as well as questions about height, weight and drinking habits was answered by 27 765 blood donors.RESULTS: The prevalence of HS was 1·8% [95% confidence interval (CI) 1·6-2·0%] in the cohort of Danish blood donors. Donors with HS were on average 4·7 years younger (P < 0·001), had 1·3 kg m -2 higher mean body mass index (BMI) (P < 0·001) and were significantly more likely to smoke [odds ratio (OR) 1·44, 17·9% vs. 13·1%, P = 0·002] compared with donors without HS. Furthermore, significantly more donors with HS were classified as having moderate depression (3·2% vs. 0·7%, P < 0·001). Also, significantly more patients with HS were apprenticeship educated, received educational support and sickness or cash benefits. CONCLUSIONS: The prevalence of HS in the cohort of blood donors was estimated to 1·8% (95% CI 1·6-2·0%). Donors with HS reported characteristics similar to those reported for hospital-based patients with HS such as higher BMI, smoking rates and lower socioeconomic status than donors without HS.
AB - BACKGROUND: 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.OBJECTIVES: To estimate the cross-sectional prevalence and characterize patients with HS in the Danish Blood Donor Study cohort.METHODS: A questionnaire previously developed containing HS screening questions, the Major Depression Inventory, the Short Form-12, as well as questions about height, weight and drinking habits was answered by 27 765 blood donors.RESULTS: The prevalence of HS was 1·8% [95% confidence interval (CI) 1·6-2·0%] in the cohort of Danish blood donors. Donors with HS were on average 4·7 years younger (P < 0·001), had 1·3 kg m -2 higher mean body mass index (BMI) (P < 0·001) and were significantly more likely to smoke [odds ratio (OR) 1·44, 17·9% vs. 13·1%, P = 0·002] compared with donors without HS. Furthermore, significantly more donors with HS were classified as having moderate depression (3·2% vs. 0·7%, P < 0·001). Also, significantly more patients with HS were apprenticeship educated, received educational support and sickness or cash benefits. CONCLUSIONS: The prevalence of HS in the cohort of blood donors was estimated to 1·8% (95% CI 1·6-2·0%). Donors with HS reported characteristics similar to those reported for hospital-based patients with HS such as higher BMI, smoking rates and lower socioeconomic status than donors without HS.
U2 - 10.1111/bjd.16998
DO - 10.1111/bjd.16998
M3 - Journal article
C2 - 29999187
VL - 180
SP - 774
EP - 781
JO - British Journal of Dermatology
JF - British Journal of Dermatology
SN - 0007-0963
IS - 4
ER -
ID: 199718862