Table 4: Results of intergroup comparison at initial stage of treatment (T1) (Independent T test or Mann Whitney non parametric test).

Variables Group 1
Damon
(N=20)
Group 2
Conventional
(N=31)
P
Mean (Median) s.d. (i.r.) Mean (Median) s.d. (i.r.)
Maxillary Dentoalveolar Component
1-NA (mm) 5.14 (5.05) 2.73 (2.80) 5.34 (4.60) 3.50 (3.30) 0.938 ¥
1.NA (º) 24.37 7.88 26.81 6.73 0.242
1-Aperp (mm) 6.83 (6.05) 2.12 (3.65) 7.45 (7.00) 2.66 (2.50) 0.412 ¥
Mandibular Dentoalveolar Component
1-NB (mm) 5.99 2.66 5.21 2.19 0.263
1.NB (º) 29.60 (30.30) 6.14 (5.05) 29.61 (28.80) 6.15 (11.40) 0.595 ¥
1-AP (mm) 3.56 2.27 3.27 2.59 0.686
IMPA (º) 96.83 (99.25) 6.83 (8.15) 98.40 (100.40) 7.17 (11.00) 0.354 ¥
Dental Relationships
Overjet (mm) 3.67 1.69 3.76 1.28 0.831
Overbite (mm) 2.61 1.77 3.08 1.48 0.316

Mean and standard deviation (d.p.) for Independent T test; median and interquartile range (i.r.), for Mann-Whitney non parametric test.
Independent T test ¥ Mann-Whitney non parametric test

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