Characteristics | Circumferential Height | Maximal Height | Volume | |||
---|---|---|---|---|---|---|
r | p | r | p | r | p | |
Disease duration | 0.38 | 0.02 | 0.34 | 0.04 | 0.35 | 0.03 |
Schober test | −0.56 | 0.0003 | −0.55 | 0.0003 | −0.48 | 0.0003 |
Lateral thoracolumbar flexion | −0.73 | < 0.0001 | −0.60 | < 0.0001 | −0.60 | < 0.0001 |
BASFI | 0.34 | 0.04 | 0.38 | 0.02 | 0.32 | 0.02 |
BASFI: Bath Ankylosing Spondylitis Functional Index.