Health

BASDAI Calculator

Assess disease activity in ankylosing spondylitis.

Rate each question on a scale of 0 (none) to 10 (very severe):

1. Fatigue / tiredness

2. Neck, back, or hip pain

3. Joint swelling (other than neck/back/hip)

4. Discomfort from tender areas

5. Morning stiffness severity

6. Morning stiffness duration (0=0h, 10=2h+)

BASDAI Score—

Disease Activity—

BASDAI = (Q1 + Q2 + Q3 + Q4 + (Q5+Q6)/2) / 5 (range 0–10)