Hidradenitis Suppurativa Hurley Staging

Stage hidradenitis suppurativa (HS) using Hurley classification: Stage I (abscess formation, no sinus tracts), Stage II (recurrent with sinus tracts), Stage III (diffuse with widespread tracts and scarring).

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Stage hidradenitis suppurativa (HS) using Hurley classification: Stage I (abscess formation, no sinus tracts), Stage II (recurrent with sinus tracts), Stage III (diffuse with widespread tracts and scarring)

Each component has a specific meaning:

  • Hurley classification: Stage I (abscess formation — The hurley classification: stage i (abscess formation recorded for the scenario being assessed.
  • No sinus tracts) — The no sinus tracts) recorded for the scenario being assessed.
  • Stage II (recurrent — The stage ii (recurrent recorded for the scenario being assessed.

Note: Interpret the hs hurley stage result against the thresholds and context described above.

How to Use

Enter the Hurley classification: Stage I (abscess formation, no sinus tracts), Stage II (recurrent for the scenario you are assessing. Stage hidradenitis suppurativa (HS) using Hurley classification: Stage I (abscess formation, no sinus tracts), Stage II (recurrent with sinus tracts), Stage III (diffuse with widespread tracts and scarring). Use the hs hurley stage result to inform your calculation.

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