Purpose: In order to identify patients likely to present with spinal pain due to Ankylosing Spondylitis.
Stage of CPR Development: Validated.
1. Age at onset < 40 years old
2. Insidious onset
3. Improvement with exercise
4. No improvement with rest
5. Pain at night with improvement on getting up
Interpretation (4+ Variables):
|Sieper et al., 2009||0.77||0.92||9.20||0.25|
|Sieper et al., 2009||0.80||0.72||2.90||0.28|