Purpose: In order to identify patients diagnosed with Ankylosing Spondylitis who respond favorably to a specific exercise program.

Stage of CPR Development: Derivation.

Tests:

1. SF-36: Physical role > 37
2. SF-36: Bodily pain > 27
3. Bath Ankylosing Spondylitis Disease Activity Index > 31

Interpretation:

Variables Sensitivity Specificity +LR Probability of Success
3 1.00 0.61 2.60 68.9%
2 0.75 0.93 11.20 90.5%
1 0.55 0.93 7.70 86.8%

Research:

1. Alonso-Blanco C, Fernandez-de-las-Penas C, Cleland JA. Preliminary clinical prediction rule for identifying patients with ankylosing spondylitis who are likely to respond to an exercise program: A pilot study. Am J Phys Med Rehabil. 2009;88:445–454.