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Table 2 Change in position of mandibular condyle of Group I and Group II

From: Is distal segment ostectomy essential for stabilization of the condylar position in patients with facial asymmetry?

Variable

Group I

Group II

p value

Medio-lateral displacement

   

 Deviation side (mm)

   

  Mean ± SD

1.27±0.66

1.04±0.89

.510a

  Median (IQR)

1.46 (0.50–1.84)

1.28 (0.11–1.89)

 

 Non-deviation side (mm)

   

  Mean ± SD

1.65±0.83

0.43±0.56

.002b

  Median (IQR)

1.91 (0.95–2.27)

0.16 (0.09–0.82)

 

Antero-posterior displacement

   

 Deviation side (mm)

   

  Mean ± SD

0.01±1.15

0.25±0.98

.613a

  Median (IQR)

− 0.39 (− 0.87–0.66)

0.32 (− 0.78–0.81)

 

 Non-deviation side (mm)

   

  Mean ± SD

0.32±1.22

0.58±0.68

.552a

  Median (IQR)

0.30 (− 0.86–1.20)

0.43 (0.03–1.07)

 

Condyle rotation

   

 Deviation side (mm)

   

  Mean ± SD

6.33±3.83

2.05±2.61

.009a

  Median (IQR)

6.75 (2.88–9.90)

2.50 (0.50–4.25)

 

 Non-deviation side (mm)

   

  Mean ± SD

5.71±2.73

2.30±2.91

.015a

  Median (IQR)

5.05 (3.58–7.48)

2.50 (1.00–4.50)

 
  1. Data are presented as mean ± SD and median (IQR)
  2. aP values were derived from independent t test
  3. bP values were derived from Mann-Whitney’s U test
  4. Shapiro-Wilk’s test was employed for test of normality assumption