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Table 2 Comparison of oropharynx and hyoid bone position between extraction and non-extraction groups

From: Oropharynx and hyoid bone changes in female extraction patients with distinct sagittal and vertical skeletal patterns: a retrospective study

Variable Extraction group (n = 120) Non-extraction group (n = 40) Extraction group vs Non-extraction group
T0
Mean (SD)
T1
Mean (SD)
P T0
Mean (SD)
T1
Mean (SD)
P P
Oropharynx
 Vol, mm3 16,123.7 (5510.6) 17,782.1 (6366.4) 0.000* 16,445.1 (5616.7) 16,621.2 (5626.2) 0.808 0.163
 MCA, mm2 243.3 (112.6) 266.7 (124.8) 0.060 236.4 (104.9) 233.9 (99.2) 0.757 0.246
 PNS-AP 27.7 (3.7) 28.2 (2.7) 0.002* 28.2 (4.2) 28.8 (3.6) 0.182 0.062
 PNS-lateral 37.8 (5.7) 40.0 (6.8) 0.000* 38.9 (5.9) 40.0 (5.7) 0.08 0.613
 PNS-AP/ lateral 0.72 (0.10) 0.71 (0.10) 0.551 0.73 (0.07) 0.73 (0.08) 0.645 0.912
 E-AP 13.1 (3.2) 13.2 (3.8) 0.446 12.4 (3.6) 12.6 (3.7) 0.624 0.325
 E- lateral 30.4 (2.9) 31.3 (3.3) 0.003* 31.1 (3.5) 30.9 (3.9) 0.668 0.649
 E-AP/lateral 0.41 (0.10) 0.42 (0.10) 0.701 0.40 (0.10) 0.41 (0.11) 0.392 0.575
Hyoid
 H-Eb 8.4 (1.7) 8.5 (2.1) 0.93 9.1 (2.6) 8.7 (2.6) 0.283 0.283
 H-Me 44.2 (4.6) 45.7 (5.7) 0.002* 45.9 (4.8) 45.2 (4.9) 0.384 0.014*
 H-C3 27.6 (3.2) 27.7 (3.2) 0.151 27.9 (3.3) 27.4 (3.7) 0.252 0.189
 H-X 8.8 (7.1) 7.1 (7.0) 0.005* 7.8 (7.2) 8.9 (7.1) 0.257 0.014*
 H-Y 93.4 (5.6) 93.8 (5.3) 0.123 95.7 (6.7) 93.8 (12.7) 0.586 0.294
  1. *P < 0.05