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Table 4 Pre-treatment mean values of all parameters in each group at T0

From: Dentofacial effects of miniscrew-anchored maxillary protraction on prepubertal children with maxillary deficiency: a randomized controlled trial

Parameters

Treated group

Mean ± SD

Control group

Mean ± SD

Or-VR (mm)

51.11 ± 2.09

50.40 ± 1.94

Ptm-VR (mm)

17.77 ± 1.39

18.12 ± 1.52

A-VR (mm)

56.33 ± 3.32

56.11 ± 4.01

B-VR (mm)

57.52 ± 2.64

56.36 ± 3.13

Pg-VR (mm)

58.15 ± 2.02

58.19 ± 2.75

A-NPerp (mm)

− 3.35 ± 0.58

− 3.41 ± 0.61

Wits (mm)

− 5.05 ± 0.96

− 4.77 ± 0.85

Co-A (mm)

74.38 ± 2.29

73.96 ± 2.37

Co-Gn (mm)

102.74 ± 2.55

102.45 ± 2.24

SNA (°)

77.38 ± 1.09

77.48 ± 0.79

SNB (°)

80.87 ± 1.01

80.68 ± 0.89

ANB (°)

− 3.48 ± 1.50

− 3.20 ± 1.22

SNO (°)

54.97 ± 2.02

54.72 ± 1.62

ANS-Me (mm)

55.31 ± 3.22

54.03 ± 3.12

SN-MP (°)

35.26 ± 2.87

34.53 ± 2.40

SN-PP (°)

11.48 ± 1.69

10.80 ± 1.21

Ar-Go-Me (°)

132.42 ± 2.21

132.34 ± 2.40

Is-yMx (mm)

47.18 ± 2.66

46.79 ± 2.29

Ms-yMx (mm)

18.74 ± 2.13

18.40 ± 2.16

Ii-yMd (mm)

58.98 ± 2.47

58.08 ± 2.32

Overjet (mm)

− 3.48 ± 0.77

− 3.56 ± 0.61

Is-PP (°)

116.32 ± 3.21

115.56 ± 2.86

Ii-MP (°)

86 ± 3.56

86.85 ± 3.87

Is-xMx (mm)

25.58 ± 2.38

24.47 ± 2.79

Ms-xMx (mm)

18.79 ± 1.67

18.26 ± 1.38

Ii-xMd (mm)

36.21 ± 2.63

36.22 ± 2.71

Overbite (mm)

3.28 ± 1.15

3.20 ± 1.24

A’-VR (mm)

73.10 ± 2.12

72.79 ± 2.80

Ls-VR (mm)

78.70 ± 2.62

78.15 ± 2.64

Li-VR (mm)

78.69 ± 2.88

78.44 ± 3.04

B’-VR (mm)

71.22 ± 3.19

70.76 ± 3.33

Pg’-VR (mm)

74.06 ± 4.13

73.10 ± 4.32