BASDAI Score Calculator

Your details

How much fatigue or tiredness have you had? Rate from 0 (none) to 10 (very severe).
/ 10
How much pain have you had in your neck, back or hips due to AS? Rate 0 to 10.
/ 10
How much pain or swelling have you had in joints other than your neck, back or hips? Rate 0 to 10.
/ 10
How much discomfort have you had from areas that are tender to touch or pressure? Rate 0 to 10.
/ 10
How severe has your morning stiffness been from the time you wake up? Rate 0 to 10.
/ 10
How long does your morning stiffness last from the time you wake up? Select the closest duration.
BASDAI ScoreModerate disease activity
2.8/ 10

Bath Ankylosing Spondylitis Disease Activity Index

Morning stiffness sub-score4/ 10
Sum of 4 core symptom scores10/ 40
2.8 / 10
Low<2Moderate2-4High4-6Very high6+

Your BASDAI score is 2.8 - within the controlled range.

  • Your score is below the clinical threshold of 4, which suggests your disease is currently under adequate control. Continue regular monitoring with your rheumatologist.
  • BASDAI is a patient-reported measure and should always be interpreted by a rheumatologist alongside clinical examination, inflammatory markers (CRP, ESR) and imaging findings.

Next stepTrack your score over time - repeat assessments every 3 to 6 months help your rheumatologist gauge whether your current treatment is maintaining control.

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