Table 4.
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.