ANCA Vasculitis BVAS Score

Calculate the Birmingham Vasculitis Activity Score specifically optimized for ANCA-associated vasculitis (GPA, MPA, EGPA), distinguishing new/worse disease from persistent activity for treatment decisions.

Weight
Height
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

Calculate the Birmingham Vasculitis Activity Score specifically optimized for ANCA-associated vasculitis (GPA, MPA, EGPA), distinguishing new/worse disease from persistent activity for treatment decisions

Each component has a specific meaning:

  • Persistent activity — The persistent activity recorded for the scenario being assessed.

Note: Interpret the anca bvas result against the thresholds and context described above.

How to Use

Enter the persistent activity for the scenario you are assessing. Calculate the Birmingham Vasculitis Activity Score specifically optimized for ANCA-associated vasculitis (GPA, MPA, EGPA), distinguishing new/worse disease from persistent activity for treatment decisions. Use the anca bvas result to inform your calculation.

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Frequently Asked Questions