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Table 2 Cephalometric values in 26 JIA patients and corresponding healthy controls

From: Relationship between disease course in the temporomandibular joints and mandibular growth rotation in patients with juvenile idiopathic arthritis followed from childhood to adulthood

   Normal TMJ* group (n = 11) Controls (n = 11) Abnormal TMJ group (n = 15) Controls (n = 15) p-values
           Abnormal TMJ vs normal TMJ Normal TMJ vs control Abnormal TMJ vs control
Variable   Mean SD Mean SD Mean SD Mean SD    
Age at examination in childhood years 9.0 1.1 8.8 0.4 9.6 1.2 8.9 0.5 0.26 0.67 0.16
Disease duration at examination in childhood years 2.6 2.3    5.7 2.0    0.003   
MPA**, children degrees 31.3 4.0 31.1 4.1 38.2 5.7 30.6 4.8 0.002 0.62 0.001
MPA, adults degrees 27.7 5.6 27.1 6.6 36.5 5.2 26.7 7.0 0.001 0.77 0.001
Diff*** in MPA degrees -3.6 3.3 -4.0 3.6 -1.7 5.5 -3.9 3.4 0.14 0.72 0.10
  1. * TMJ = Temporomandibular joint
  2. ** MPA = Mandibular plane angle
  3. *** Difference in MPA = MPA adults - MPA children. Negative value = Anterior growth direction of the mandible