Table 2: Comparison between initial and final stages of conventional group (Dependent T test or Wilcoxon non-parametric test) (N=20).

Variables Initial Stage T1 Final Stage T2 P
Mean (Median) s.d. (i.r.) Mean (Median) s.d. (i.r.)
Maxillary Dentoalveolar Component
1-NA (mm) 5.34 (4.60) 3.50 (3.30) 6.25 (6.00) 2.50 (3.40) 0.037*¥
1.NA (º) 26.81 (26.20) 6.73 (11.00) 30.64 (28.80) 5.14 (7.10) 0.009*¥
1-Aperp (mm) 7.45 (7.00) 2.66 (2.50) 7.90 (7.80) 1.97 (2.60) 0.124 ¥
Mandibular Dentoalveolar Component
1-NB (mm) 5.21 (4.70) 2.19 (3.10) 6.45 (5.90) 2.42 (2.80) 0.000*¥
1.NB (º) 29.61 (28.80) 6.15(11.40) 32.68 (32.30) 5.73 (8.30) 0.002*¥
1-AP (mm) 3.27 (3.30) 2.59 (4.30) 4.54 (4.10) 2.18 (2.60) 0.000*¥
IMPA (º) 98.40 7.17 101.46 7.75 0.001*
Dental Relationships
Overjet (mm) 3.76 1.28 2.70 0.76 0.000*
Overbite (mm) 3.08 (2.90) 1.48 (2.10) 1.56 (1.40) 0.59 (1.00) 0.000*¥

Mean and standard deviation (s.d.) for dependent T test; median and interquartile range (i.r.), for Wilcoxon’s test.
* Statistical significance for p<0.05
Dependent T test
¥ Non parametric Wilcoxon’s test

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