Validation of a visual-aided questionnaire for the self-assessment of hidradenitits suppurativa.

Cazzaniga, Simone; Naldi, L; Damiani, G; Atzori, L; Patta, F; Guidarelli, G; Bettoli, V (2018). Validation of a visual-aided questionnaire for the self-assessment of hidradenitits suppurativa. Journal of the European Academy of Dermatology and Venereology, 32(11), pp. 1993-1998. Blackwell 10.1111/jdv.15050

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BACKGROUND Hidradenitis Suppurativa (HS) is a chronic, highly debilitating disease. Few questionnaires have been developed to identify potential HS cases based on simple questions. A visual representation may help in characterising these lesions. OBJECTIVE To develop and validate a visually assisted questionnaire for HS detection. METHODS This was an observational diagnostic study on a series of patients with a first diagnosis of HS and a corresponding series of age and gender-matched controls consecutively observed in two Italian centres. The questionnaire was developed based on a critical appraisal of the relevant literature and on expert consensus. Measures of accuracy and reproducibility were assessed. RESULTS 57 patients with HS and 57 controls were included in the study (mean age 32.9 ± 12.3 years). Based on at least one affirmative answer to the proposed questionnaire items, the accuracy was 95.6%, with a sensitivity of 98.2% and a specificity of 93.0%. Reproducibility was almost perfect on all the tested items (Cohen's kappa ≥ 0.85). LIMITATIONS The questionnaire was tested only in experimental conditions. CONCLUSION The questionnaire could be a useful tool for HS screening in the general population. Further studies are needed to confirm its performance in a real-world setting.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Dermatology, Urology, Rheumatology, Nephrology, Osteoporosis (DURN) > Clinic of Dermatology

UniBE Contributor:

Cazzaniga, Simone


600 Technology > 610 Medicine & health








Sandra Nyffenegger

Date Deposited:

12 Feb 2019 14:25

Last Modified:

03 Nov 2019 10:56

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