Table 4: Intergroup comparison of pretreatment stage (ANOVA and Tukey tests).

Variables Group 1
MPA
(n=24)
Group 2
Jasper Jumper
(n=25)
Control Group
(n=22)
P
Mean(S.D) Mean(S.D) Mean(S.D)
Maxillary Skeletal Component
SNA (º) 84.59 (4.57)A 82.60 (3.36)A 81.93 (3.15)A 0.051
Co-A (mm) 84.37 (3.68)A 85.34 (4.44)A 86.01 (4.65)A 0.425
A-Nperp (mm) 3.76 (2.68)A 1.17 (3.80)B 1.19 (2.85)B 0.007*
Mandibular Skeletal Component
SNB (º) 78.18 (3.32)A 77.30 (2.39)A 77.70 (3.76)A 0.628
Co-Gn (mm) 102.59 (4.52)A 106.30 (4.99)B 106.04 (6.09)B 0.028*
P-Nperp (mm) -1.53 (4.05)A -4.83 (4.89)B -3.35 (4.33)AB 0.040*
Maxillomandibular Relationship
ANB (º) 6.39 (2.78)A 5.30 (3.06)AB 4.23 (1.97)B 0.028*
Wits (mm) 2.42 (2.62)A 1.62 (2.45)A -0.45 (2.43)B 0.000*
Vertical Component
FMA (º) 22.58 (5.24)A 24.62 (3.92)A 23.80 (2.72)A 0.227
SN.GoGn (º) 30.17 (4.85)A 31.12 (4.05)A 30.86 (4.76)A 0.756
LAFH (mm) 57.72 (5.77)A 61.27 (4.93)A 59.75 (4.10)A 0.051
Maxillary Dentoalveolar Component
1.PP (º) 120.19 (6.12)A 110.63 (7.11)B 113.26 (5.60)B 0.012*
1-PP (mm) 25.18 (3.28)A 25.95 (4.48)A 25.97 (2.57)A 0.686
1.NA (º) 29.01 (6.60)A 23.95 (7.50)B 23.27 (6.53)B 0.010*
1-NA (mm) 4.97 (2.20)A 4.49 (2.86)A 3.32 (1.94)A 0.063
Mandibular Dentoalveolar Component
IMPA (º) 96.98 (7.90)A 97.66 (7.39)A 94.77 (4.68)A 0.333
1.NB (º) 27.39 (8.21)A 28.22 (5.80)A 25.58 (5.01)A 0.375
1-NB (mm) 4.36 (2.59)A 4.98 (2.11)A 3.94 (1.54)A 0.252
1-PM (mm) 36.39 (3.19)A 38.18 (2.83)A 37.18 (2.57)A 0.100
Dental Relationships
Overjet (mm) 8.40 (2.55)A 6.14 (2.30)B 4.68 (1.52)B 0.000*
Overbite (mm) 4.81 (2.00)A 4.99 (1.69)A 4.78 (1.73)A 0.910
Molar Rel. (mm) -1.39 (1.54)A -1.33 (1.22)A 0.71 (1.13)B 0.000*

Different letters indicate statistically significant differences
*Statistically significant for P<.05