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RheumRheumatology

Bath Ankylosing Spondylitis Disease Activity Index

Patient-reported AS disease activity index. Score ≥4 indicates active disease and supports consideration of biological therapy.

How would you describe the overall level of fatigue/tiredness you have experienced?(0=None, 10=Very severe)
How would you describe the overall level of AS neck, back, or hip pain?(0=None, 10=Very severe)
How would you describe the overall level of pain/swelling in joints other than neck, back, and hips?(0=None, 10=Very severe)
How would you describe the overall level of discomfort from any areas tender to touch or pressure?(0=None, 10=Very severe)
How would you describe the overall level of morning stiffness from the time you wake up? (severity)(0=None, 10=Very severe)
How long does your morning stiffness last from the time you wake up? (duration)(0=None, 10=2+ hours)

Reference: Garrett S et al. J Rheumatol 1994

Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: Garrett S et al. J Rheumatol 1994.

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