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Table 3 Analysis of MRI enhancement vs. MOC, corresponding SDS-values and centiles

From: Is early TMJ involvement in children with juvenile idiopathic arthritis clinically detectable? Clinical examination of the TMJ in comparison with contrast enhanced MRI in patients with juvenile idiopathic arthritis

  

MRI enhancement

Factor

Examination method

ANOVA

Bonferroni group comparison

p-value

Severity subgroups

p-value

Mean difference (S1 - S2)

CI95 (lower, upper)

S1

S2

Maximal mouth opening capacity

Orthodontic (n = 76)

 

0

1

1.000

1.4

−2.6, 5.4

0.005*

0

2

0.005*

6.6

1.7, 11.6

 

1

2

0.022*

5.2

0.6, 9.8

Rheumatologic (n = 74)

 

0

1

1.000

0.5

−3.5, 4.5

0.048*

0

2

0.064

4.9

−0.2, −0.4

 

1

2

0.081

4.4

−0.4,9.8

SDS values

Orthodontic (n = 72)

 

0

1

1.000

<−0.1

−0.7, 0.7

<0.001*

0

2

0.001*

1.4

0.5, 2.3

 

1

2

0.001*

1.4

0.5, 2.2

Rheumatologic (n = 70)

 

0

1

1.000

−0.1

−0.9, 0.7

0.008*

0

2

0.027*

1.1

<0.1, 2.1

 

1

2

0.008*

1.2

0.2, 2.2

Centiles

Orthodontic (n = 72)

 

0

1

1.000

−0.3

−19.6, 19.1

<0.001*

0

2

0.001*

35.4

11.7, 59.1

 

1

2

0.001*

35.7

13.3, 58.1

Rheumatologic (n = 70)

 

0

1

1.000

−1.7

−21.9, 18.4

0.002*

0

2

0.060

33.0

8.0, 58.1

 

1

2

0.002*

34.8

10.9, 58.6

  1. One way Anova with post-hoc Bonferroni test to compare the MRI to the MOC’s and the corresponding SDS-values and centiles. All continuous variables were normally distributed. Mean difference between groups with upper and lower 95 % confidence interval (CI95) is provided
  2. MRI enhancement subgroups: 0 = normal, 1 = mild, 2 = severe
  3. *p-value < 0.05