Sierra Rheumatology
Disease activity

BASDAI — Bath Ankylosing Spondylitis Disease Activity Index

Six self-rated questions about fatigue, pain, and stiffness over the past week.

About this form

The BASDAI is a six-item questionnaire used to assess disease activity in ankylosing spondylitis and related spondyloarthropathies. Please rate each item over the past week.

About 3 minutes
Progress
0%
Past week

Use the scale below: 0 = none, 10 = very severe.

1. Overall level of fatigue / tiredness *
0 — None10 — Very severe
2. Overall level of AS neck, back, or hip pain *
0 — None10 — Very severe
3. Overall pain / swelling in joints other than neck, back, or hips *
0 — None10 — Very severe
4. Discomfort from any areas tender to touch or pressure *
0 — None10 — Very severe
5. Severity of morning stiffness from the time of waking *
0 — None10 — Very severe
6. Duration of morning stiffness *
0 — 0 hours10 — 2+ hours
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