Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)
Calculator
When to use
How would you describe the overall level of fatigue/tiredness you have experienced?
0 (None)
1
2
3
4
5
6
7
8
9
10 (Very severe)
How would you describe the overall level of AS neck, back, or hip pain you have had?
0 (None)
1
2
3
4
5
6
7
8
9
10 (Very severe)
How would you describe the overall level of pain/swelling in joints other than neck, back, or hips you have had?
0 (None)
1
2
3
4
5
6
7
8
9
10 (Very severe)
How would you describe the overall level of discomfort you have had from any areas tender to touch or pressure?
0 (None)
1
2
3
4
5
6
7
8
9
10 (Very severe)
How would you describe the overall level of discomfort you have had from the time you wake up?
0 (None)
1
2
3
4
5
6
7
8
9
10 (Very severe)
How long does your morning stiffness last from the time you wake up?
None
< 15 minutes
15-30 minutes
30-45 minutes
45-60 minutes
1 hour
60-75 minutes
75-90 minutes
90-105 minutes
105-120 minutes
≥ 2 hours
Calculation
Please enter all the required inputs.