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Table 3 BASDAI assessment criteria for axial inflammatory activity in spondyloarthritis [8, 199]

From: Brazilian Society of Rheumatology 2020 guidelines for psoriatic arthritis

BASDAI

1. How would you describe the overall level of fatigue/tiredness you have experienced?

0 to 10 (none to intense)

2. How would you describe the overall level of AS neck, back or hip pain you have had?

0 to 10 (none to intense)

3. How would you describe the overall level of pain/swelling in joints other than neck, back, hips you have had?

0 to 10 (none to intense)

4. How would you describe the overall level of discomfort you have had in any areas tender to touch or pressure?

0 to 10 (none to intense)

5. How would you describe the overall level of morning stiffness you have had from the time you wake up?

0 to 10 (none to intense)

6. How long does your morning stiffness last from the time you wake up?

0 to 10 (0 to 2 or more hours)

BASDAI = [(Q5 + Q6)/2 + (Q1 + Q2 + Q3 + Q4)]/5

BASDAI < 4

Inactive or low-activity disease

BASDAI from 4 to 10

Active disease

  1. BASDAI: Bath Ankylosing Spondylitis Disease Activity Index = mean of the values of questions 5 and 6 plus the values of questions 1 to 4, divided by 5