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Table 2 Changes in pharyngeal configuration and CSA

From: The structural changes of pharyngeal airway contributing to snoring after orthognathic surgery in skeletal class III patients

   T 0 T 1 T1–T0
Average SD Average SD Average SD
C1 (retropalatal) LTW 29.9 5.9 27.7 5.8 −2.3 3.9
APL 15.5 3.7 13.6 3.9 −1.9 2.1
CSA 389.5 4.3 294.3 5.6 −95.2 3.2
C2 (retroglossal) LTW 27.1 5.7 25.5 5.6 −1.6 3.3
APL 13.5 4.1 11.2 3.4 −2.3 3.3
CSA 278.9 4.8 210.7 4.6 −68.2 2.4
C3 (glottis) LTW 30.9 4.7 31.3 4.9 0.3 2.5
APL 11.4 2.9 10.7 3.9 −0.7 2.8
CSA 233.4 2.1 223.9 4.5 −9.5 2.4
  1. APL anterior-posterior length, LTW lateral transverse width, CSA cross-sectional area