Relationship between ultrasound abnormalities and spine syndesmophytes
| Presence of syndesmophytes | mSASSS | |||||
| At least one | Absence | p Value | mSASSS≥2 | mSASSS<2 | p Value | |
|
Enthesophytes At least one Absence | 24 (25.5) 17 (6.4) | 70 (74.5) 247 (93.6) | <0.0001 | 19 (20.2) 10 (3.8) | 75 (79.8) 254 (96.2) | <0.0001 |
|
PD signal At least one enthesis with PD Absence of PD | 11 (28.2) 42 (13.2) | 28 (71.8) 277 (86.8) | 0.01 | 11 (20.8) 16 (5.2) | 42 (19.2) 289 (94.8) | <0.0001 |
mSASSS, modified Stoke Ankylosing Spondylitis Spine Score; PD, power Doppler.