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Table 2 Test group (40 patients) before and after treatment

From: A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage

Ā 

Test group (T1)

Test group (T2)

p value

SNA (degrees)

81.7ā€‰Ā±ā€‰4.6

80.8ā€‰Ā±ā€‰4.2

0.364

SNB (degrees)

76ā€‰Ā±ā€‰3.3

77.1ā€‰Ā±ā€‰3.8

0.171

ANB (degrees)

5.6ā€‰Ā±ā€‰2.3

3.7ā€‰Ā±ā€‰2.2

0.000*

SN-GoMe (degrees)

34.7ā€‰Ā±ā€‰5.3

34.2ā€‰Ā±ā€‰5.5

0.68

A/Olp (mm)

77ā€‰Ā±ā€‰3.6

76.6ā€‰Ā±ā€‰3.6

0.621

Pg/Olp (mm)

78.6ā€‰Ā±ā€‰6.4

80.3ā€‰Ā±ā€‰6.6

0.246

AD1 (mm)

20.6ā€‰Ā±ā€‰4

21.6ā€‰Ā±ā€‰3.7

0.249

AD2 (mm)

15.2ā€‰Ā±ā€‰2.9

16.8ā€‰Ā±ā€‰3.1

0.019*

AD-PtV (mm)

8ā€‰Ā±ā€‰3

9.3ā€‰Ā±ā€‰3.1

0.06

OA (mm)

10.6ā€‰Ā±ā€‰2.1

11.9ā€‰Ā±ā€‰2.1

0.007*

LA (mm)

11.9ā€‰Ā±ā€‰2.5

13.3ā€‰Ā±ā€‰2.8

0.02*

  1. *pĀ < 0.05