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. 2014 Jan-Feb;19(1):36–45. doi: 10.1590/2176-9451.19.1.036-045.oar

Table 6.

Results of the independent t test for comparison of changes (T2-T1) between experimental and control groups.

Variables Experimental Group (T2) (n = 20) Control Group (T2) (n = 25) p
Mean ± S.D. Mean ± S.D.
Maxillary component
SNA (degrees) -0.33 ± 1.69 -0.30 ± 1.47 0.9564
A-Nperp (mm) -0.29 ± 2.46 -0.29 ± 1.90 0.9915
Co-A (mm) 1.80 ± 2.60 1.17 ± 1.23 0.2870
Mandibular component
SNB (degrees) 1.27 ± 1.41 0.26 ± 1.29 0.0152
P-Nperp (mm) 1.88 ± 4.35 0.37 ± 2.82 0.1674
Co-Gn (mm) 6.51 ± 3.13 2.34 ± 1.56 0.0000
Maxillomandibular relationship
ANB (degrees) -1.60 ± 1.55 -0.54 ± 1.10 0.0108
Wits (mm) -2.16 ± 2.78 -0.34 ± 2.30 0.0210
Growth pattern
SN.GoGn (degrees) -0.53 ± 1.67 -0.92 ± 2.09 0.4911
SN.Ocl (degrees) 1.37 ± 2.38 -0.87 ± 1.87 0.0010
FMA (degrees) -0.68 ± 2.21 -0.57 ± 2.57 0.8877
LAFH (mm) 3.18 ± 3.12 1.49 ± 1.44 0.0201
Maxillary dentoalveolar component
1.NA (degrees) -7.06 ± 6.11 0.40 ± 4.38 0.0000
1-NA (mm) -1.77 ± 1.62 0.60 ± 1.45 0.0000
1-Aperp (mm) -1.44 ± 1.33 0.49 ± 1.16 0.0000
1.PP (degrees) -7.00 ± 6.41 -0.24 ± 3.93 0.0001
1-PP (mm) 1.50 ± 1.64 0.65 ± 1.27 0.0583
Mandibular dentoalveolar component
1-NB (mm) 1.96 ± 1.83 0.18 ± 0.95 0.0001
1.NB (degrees) 6.17 ± 5.96 0.85 ± 3.29 0.0004
1-AP (mm) 3.00 ± 1.97 0.36 ± 1.10 0.0000
IMPA (degrees) 5.51 ± 6.33 1.20 ± 3.53 0.0060
Dental relationships
Overjet (mm) -5.29 ± 2.20 -0.18 ± 1.28 0.0000
Overbite (mm) -1.55 ± 2.73 0.01 ± 1.39 0.0169
Molar relationship (mm) -3.76 ± 2.32 0.02 ± 1.39 0.0000