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Table 2 Comparison of clinical and demographical characteristics of patients with or without TMJ involvement

From: Evaluation of temporomandibular joint involvement in juvenile idiopathic arthritis patients

 

TMJ MRI

Arthritis Findigs (+)

(n: 21)

TMJ MRI

Arthritis Findigs (+)

(n: 20)

p

Age at Diagnosis (y)

0–8 (Early-Onset)

8–16(Late-Onset)

14 (66,67%)

7 (33,33%)

4 (20.00%)

16 (80,00%)

0,003*

Disease Duration (y)

3,88 ± 2,57

2,45 ± 01,50

0,037*

JIA Subtype

 Oligoarticular Onset

 Polyarticular Onset

 Systemic Onset

 Enthesitis-Related

3 (14,29%)

11 (52,38%)

6 (28,57%)

1 (4,76%)

12 (60,00%)

2 (10,00%)

3 (15,00%)

3 (15,00%)

0,006*

0,005*

0,402

0,563

Average Number

of Involved Joints

0,86 ± 0,36

0,25 ± 0,44

0,0001*

Number of Involved Joints

 1–4

 >5

3 (14,29%)

18 (85,71%)

15 (75,00%)

5 (25,00%)

0,0001*

  1. (JIA: juvenile idiopathic arthritis, MRI: magnetic resonance imaging, n: number, TMJ: Temporo Mandibular Joint, y: years, *p < 0.05)