Rheumatology

Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Fatigue severity (0–10)

Allowed range: 0–10

Neck, back, or hip pain severity (0–10)

Allowed range: 0–10

Peripheral-joint pain or swelling severity (0–10)

Allowed range: 0–10

Localized tenderness/discomfort severity (0–10)

Allowed range: 0–10

Morning-stiffness severity (0–10)

Allowed range: 0–10

Morning-stiffness duration mapped to 0–10

Allowed range: 0–10

6 fields remaining

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Fatigue severity (0–10)Accepted range: 0 to 10
Neck, back, or hip pain severity (0–10)Accepted range: 0 to 10
Peripheral-joint pain or swelling severity (0–10)Accepted range: 0 to 10
Localized tenderness/discomfort severity (0–10)Accepted range: 0 to 10
Morning-stiffness severity (0–10)Accepted range: 0 to 10
Morning-stiffness duration mapped to 0–10Accepted range: 0 to 10

Garrett S et al. A new approach to defining disease status in ankylosing spondylitis: the BASDAI. J Rheumatol (1994)