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Table 4 Comparison of the facial asymmetry results – presented as binary outcome - among patients diagnosed with or without asymmetrical destruction between the right and left TMJ in the MRI

From: Quantitative analysis of facial asymmetry based on three-dimensional photography: a valuable indicator for asymmetrical temporomandibular joint affection in juvenile idiopathic arthritis patients?

MRI diagnosis of TMJ

 

Clinical: Gonion Asymmetry

Clinical: Chin Asymmetry

Digital: Chin Asymmetry (≥ 4 mm)

Asymmetrical osseous destruction

Na

n (%)

P*

n (%)

P*

n (%)

P*

No

49

26 (53%)

0.14

11 (22%)

0.02

16 (31%)

0.01

Yes

27

19 (70%)

 

13 (48%)

 

17 (63%)

 

Positive predictive value

  

42%

 

54%

 

52%

  1. MRI magnetic resonance imaging; n patients in this category; Na patients eligible; TMJ temporomandibular joint
  2. *P value originating from Pearson’s chi-squared test