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Table 3 Correlation between radiographic damage assessed using the mSASSS and CASSS and spinal mobility, physical function, and quality of life at baseline

From: Incorporating assessment of the cervical facet joints in the modified Stoke ankylosing spondylitis spine score is of additional value in the evaluation of spinal radiographic outcome in ankylosing spondylitis

 

mSASSS

CASSS

Cervical rotationa

−0.56**

−0.63**

Occiput-to-wall distance

0.64**

0.67**

Lateral spinal flexion

−0.62**

−0.61**

Modified Schober test

−0.44**

−0.45**

Chest expansion

−0.33**

−0.35**

BASFI

0.24*

0.26*

ASQoL

0.03

−0.01

  1. Correlation is expressed as Spearman’s rho. aAnalysis performed with 4 years of data. mSASSS modified stoke ankylosing spondylitis spine score, CASSS combined ankylosing spondylitis spine score, BASFI Bath ankylosing spondylitis functional index, ASQoL ankylosing spondylitis quality of life questionnaire. *Statistically significant correlation p ≤ 0.05. **Statistically significant correlation p ≤ 0.01