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Table 4 Mean difference, standard deviation (SD) and percentage (%) difference of volume for each variable between the following groups: unilateral affected side (Uni-Aff), unilateral unaffected side (Uni-UnAff), bilateral JIA patients (Bil-Aff) and control healthy group (Ctrl)

From: Three-dimensional volumetric evaluation of the different mandibular segments using CBCT in patients affected by juvenile idiopathic arthritis: a cross-sectional study

Volume (mm3) ∆ (Uni-UnAff    Uni-Aff) Relative difference ∆ (Uni-Aff   Bil-Aff A) Relative difference ∆ (CtrlA Uni-Aff) Relative difference ∆ (Uni-UnAff   BilAff) Relative difference ∆ (Uni-UnAff  CtrlA) Relative difference ∆ (CtrlA BilAff) Relative decrease
Mean ± SD % ∆Mean ± SD % Mean ± SD % Mean ± SD % Mean ± SD % Mean ± SD %
Hemimandible 2741.63 ± 1672.81 10.1 − 228.36 ± 6001.08 1.2 2565.96 ± 8347.69 11.1 2145.6 ± 6412.55 8.9 − 192.00 ± 8185.45 0.8 2565.96 ± 7621.32 9.6
Condyle 510.59 ± 223.99 34.6 − 139.08 ± 529.45 12.7 515.01 ± 386.67 35.7 350.85 ± 630.01 25.3 − 25.08 ± 496.62 1.8 375.93 ± 390.98 26.2
Ramus 813.21 ± 398.47 15.2 − 136.36 ± 1945.89 0.8 939.13 ± 2511.52 16.5 753.57 ± 2074.63 13.4 − 149.20 ± 2574.916 2.7 902.77 ± 1969.66 16
Hemibody 1488.42 ± 1270.53 6.8 14.09 ± 3761.91 0.1 1172.86 ± 4837.85 6.6 1206.99 ± 3912.12 6.7 48.22 ± 4673.04 0.3 1158,77 ± 4681.54 6.5
  ∆ (Unilateral JIAB Bilateral JIAA)     ∆ (Unilateral JIAB CtrlA)     ∆ (Bilateral JIAA Ctrl A)    
Mandible Tot a 1916.24 ± 1137.49    4.1 − 2420.92 ± 3132.36    4.9 − 4336.16 ± 2357.68    9.8
  1. Uni-Aff affected side—unilateral JIA, Uni-UnAff unaffected side—unilateral JIA, Bil-Aff bilateral JIA, Ctrl control group
  2. *p value < 0.05 was considered as statistically significant
  3. AValues are means ± standard deviations of each patient average value between right hemimandible and left hemimandible
  4. BValues are means ± standard deviations of each patient average value between unilateral affected side and unilateral unaffected side