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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

  Test group (T1) Test group (T2) p value
SNA (degrees) 81.7 ± 4.6 80.8 ± 4.2 0.364
SNB (degrees) 76 ± 3.3 77.1 ± 3.8 0.171
ANB (degrees) 5.6 ± 2.3 3.7 ± 2.2 0.000*
SN-GoMe (degrees) 34.7 ± 5.3 34.2 ± 5.5 0.68
A/Olp (mm) 77 ± 3.6 76.6 ± 3.6 0.621
Pg/Olp (mm) 78.6 ± 6.4 80.3 ± 6.6 0.246
AD1 (mm) 20.6 ± 4 21.6 ± 3.7 0.249
AD2 (mm) 15.2 ± 2.9 16.8 ± 3.1 0.019*
AD-PtV (mm) 8 ± 3 9.3 ± 3.1 0.06
OA (mm) 10.6 ± 2.1 11.9 ± 2.1 0.007*
LA (mm) 11.9 ± 2.5 13.3 ± 2.8 0.02*
  1. *< 0.05