| |
Sacroiliitis
|
Active disease at the last follow up
|
|---|
| |
Odds Ratio (CI 95%)
|
p
|
Odds Ratio (CI 95%)
|
p
|
|---|
| |
Univariate analysis
|
|
Boys
|
0.7 (0.3–1.6)
|
0.41
|
0.3 (0.1–0.7)
|
0.01
|
|
HLA-B27
|
0.8 (0.3–1.9)
|
0.67
|
0.9 (0.4–2.1)
|
0.84
|
|
Age > 12 years
|
1.7 (0.6–4.9)
|
0.31
|
0.4 (0.1–1.1)
|
0.07
|
|
Familial history of SpA
|
3.6 (1.6–8.2)
|
0.02
|
3.1 (1.4–7.1)
|
0.01
|
|
Oligo-articular involvement at first consultation
|
0.5 (0.2–1.0)
|
0.06
|
0.5 (0.2–1.0)
|
0.06
|
|
Hip Arthritis
|
1.2 (0.6–2.5)
|
0.66
|
1.4 (0.7–2.9)
|
0.39
|
|
Enthesitis
|
4.7 (1.3–17.5)
|
0.01
|
1.7 (0.6–4.5)
|
0.32
|
|
Extra-articular involvement
|
1.2 (0.5–2.6)
|
0.69
|
1 (0.5–2.2)
|
1
|
| |
Multivariable analysis
|
|
Boys
|
0.94 (0.4–2.3)
|
0.82
|
0.44 (0.2–1.1)
|
0.06
|
|
Age > 12 years
|
2.61 (08–8.8)
|
0.09
|
0.48 (0.1–1.6)
|
0.22
|
|
Familial history of SpA
|
3.61 (1.5–8.7)
|
< 0.01
|
2.98 (1.2–7.3)
|
0,02
|
|
Enthesitis
|
4.2 (1.1–16.6)
|
0.04
|
1.55 (0.5–4.9)
|
0.45
|
|
Oligo-articular involvement at first consultation
|
0.47 (0.2–1.2)
|
0.10
|
0.73 (0.3–1.7)
|
0.46
|
- CI confidence interval
- We studied the five factors (male gender, age > 12 years at disease onset, familial history of SpA, presence of enthesitis, and oligo-articular involvement at first consultation) associated with at least one of our judgment criteria for the multivariable analysis
