This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Go to /pro/cpd-dashboard page

This page is worth 0.05 CPD credits. CPD dashboard

Go to /account/subscription-details page

This page is worth 0.05 CPD credits. Upgrade to Pro

Epidemiology

Authoring team

  • the geographical regions most frequently studied for disease prevalence include Europe and the USA. In Europe, estimates derived from self-reporting of disease
    within large cohort or population samples range from 1·0% to 2·1%, whereas estimates based on diagnosis codes range from 0·09% to 0·51%. (1)
  • HS occurs more commonly in females (a female to male ratio of approximately 3:1) (2,3)
  • it does not start before puberty and hormonal factors are thought to play a role. The average age of onset is 21 years (4)
  • patients first enter hospital settings at the age of 38y (3)

Reference:

  1. Sabat R et al. Hidradenitis suppurative. Lancet 2025; 405: 420–38
  2. Ingram JR, Jenkins-Jones S, Knipe DW, et al. Population-based clinical practice research datalink study using algorithm modelling to identify the true burden of hidradenitis suppurativa. Br J Dermatol. 2018 Apr;178(4):917-24
  3. Hasan S B, Harris C, Collier F. Hidradenitis suppurativa BMJ 2022; 379 :e068383 doi:10.1136/bmj-2021-068383
  4. Collier F, Smith RC, Morton CA; Diagnosis and management of hidradenitis suppurativa. BMJ. 2013 Apr 23;346:f2121

Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

Connect

Copyright 2026 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.