|
Characteristics
|
With TMJ arthritis (n = 62)
|
Without TMJ arthritis (n = 23)
|
Total JIA (n = 85)
|
|---|
|
Demographics
| | | |
|
Gender:
| | | |
|
Female n (%)
|
47(75.8)
|
12(52.2)
|
59(69.4)
|
|
Male n (%)
|
15(24.2)
|
11(47.8)
|
26(30.6)
|
|
P value
|
0.04
| |
|
Mean age at the time of MRI Years (± SD)
|
14.2(±2.6)
|
12.3 (±3.6)
|
13.7 (±3.0)
|
|
P value
|
0.01
| |
|
Disease characteristics
| | | |
|
Disease duration in years
|
2.6(0,2–11)
|
3(0.6–6)
|
3.1(0.2–11)
|
|
Median (IQR)
|
|
P value
|
0.45
| |
|
Years from the diagnosis
|
1.8(0–10)
|
2.2(0–7)
|
1.9(0–10)
|
|
Median (IQR)
|
|
P value
|
0.07
| |
|
Active joint counta Median (IQR)
|
7.8(0–22)
|
7.7(0–20)
|
7.8(0–22)
|
|
P value
|
0.81
| |
|
Laboratory characteristics
| | | |
|
ESR
|
12.8(2120)
|
6(2–20)
|
10.9(2–120)
|
|
Median (IQR)
|
|
P value
|
0.07
| |
|
CRO
|
7.6(0180)
|
0.4(0–1.83)
|
5.6(0–180)
|
|
Median (IQR)
|
|
P value
|
0.03
| |
|
ANA positive n (%)
|
8(38.1)
|
14(23.3)
|
22(27.2)
|
|
P value
|
0.19
| |
|
RF positive n (%)
|
6(9.8)
|
0(0)
|
6(7.1)
|
|
P value
|
0.12
| |
|
HLA B27 positive
|
15(24.2)
|
3(13.0)
|
18(21.2)
|
|
n (%)
|
|
P value
|
0.25
| |
-
aActive joint count - joints with non-bony swelling or limitation of motion with either pain on motion or tenderness to palpation and also those where we have detected signs of arthritis using ultrasound or MRI
