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Table 1 Intergroup comparisons of initial facial characteristics (T0) of the sample

From: Maxillary protraction with rapid maxillary expansion and facemask versus skeletal anchorage with mini-implants in class III patients: a non-randomized clinical trial

Variable

Facemask

Mini-implant

P value*

Median

Interquartile range

Median

Interquartile range

SNA (°)

80.00

4.00

84.00

5.40

0.051

SNB (°)

82.00

2.00

83.00

1.80

0.061

ANB (°)

− 1.00

2.00

− 1.00

4.00

0.458

Wits (mm)

− 7.00

4.50

− 6.50

3.80

0.512

SN-GoGn (°)

32.50

5.80

30.25

5.30

0.102

Co-A (mm)

81.75

3,80

85.75

10.90

0.060

Co-Gn (mm)

112.00

7.50

117.00

11.80

0.367

NAP (°)

− 3.00

2.50

− 2.00

8.40

0.511

A-Npog (mm)

− 1.00

1.50

− 0.50

3.40

0.269

Sn-line H (mm)

5.00

2.30

7.25

3.80

0.087

1.NA (°)

29.00

7.30

29.50

7.90

0.663

1-NA (mm)

6.00

3.80

6.50

5.40

0.640

1.NB (°)

25.00

10.00

28.25

5.80

0.180

1-NB (mm)

5.00

4.30

6.25

2.80

0.190

Overjet (mm)

− 1.00

4.00

− 3.00

4.00

0.350

Overbite

1.00

2.80

0,25

1.90

0.719

MR (mm)

− 2.00

4.00

− 2.00

4.80

0.890

  1. *Mann-Whitney test. The results were expressed as median and interquartile range