Table 3.
Variable* | Univariate regression | Multiple regression** | ||
---|---|---|---|---|
OR (95% CI) | P value | OR (95% CI) | P value | |
Joint ankylosis | ||||
MASEI total | 2.05 (1.52 2.75) | <0.001 | 1.93 (1.37, 2.72) | <0.001 |
MASEI – bone score | 3.49 (2.09, 5.85) | <0.001 | 3.24 (1.75, 6.01) | <0.001 |
MASEI – soft tissue score | 2.59 (1.55, 4.31) | <0.001 | 2.96 (1.36, 4.22) | 0.003 |
Arthritis mutilans | ||||
MASEI total | 1.96 (1.43, 2.69) | <0.001 | 1.77 (1.23, 2.54) | 0.002 |
MASEI – bone score | 3.94 (2.24, 6.93) | <0.001 | 3.77 (1.84, 7.70) | <0.001 |
MASEI – soft tissue score | 2.00 (1.15, 3.50) | 0.014 | 1.71 (0.90, 3.26) | 0.102 |
Periostitis | ||||
MASEI total | 1.48 (1.17, 1.88) | 0.001 | 1.41 (1.08, 1.84) | 0.013 |
MASEI – bone score | 2.05 (1.35, 3.11) | <0.001 | 1.88 (1.17, 3.02) | 0.009 |
MASEI – soft tissue score | 1.65 (1.07, 2.53) | 0.022 | 1.52 (0.96, 2.41) | 0.07 |
Sacroiliitis | ||||
MASEI total | 1.36 (1.10, 1.70) | 0.005 | 1.33 (1.03, 1.72) | 0.027 |
MASEI – bone score | 2.12 (1.42, 3.16) | <0.001 | 2.24 (1.40, 3.61) | <0.001 |
MASEI – soft tissue score | 1.23 (0.84, 1.83) | 0.285 | 1.10 (0.71, 1.70) | 0.664 |
MASEI MAdrid Sonography Enthesitis Index
*10 units increase in MASEI
**Each model was adjusted for age, sex, PsA duration, BMI, smoking, current use of DMARDs and biologics