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Table 3 Comparison of pretreatment oropharynx and hyoid bone position in extraction patients with different skeletal patterns

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

Variable Class I-norm Class I-hyper Class II-norm Class II-hyper   Class I-norm vs Class I-hyper Class I-norm vs Class II-norm Class I-norm vs Class II-hyper Class I-hyper vs Class II-norm Class I-hyper vs Class II-hyper Class II-norm vs Class II-hyper
T0
Mean (SD)
T0
Mean (SD)
T0
Mean (SD)
T0
Mean (SD)
Overall
Pa
p p p p p p
Oropharynx
 Vol, mm3 16,393.0 (5127.0) 16,270.2 (5429.6) 16,708.3 (6318.0) 15,123.3 (5238.0) 0.844 0.446 0.471 0.196 0.488 0.304 0.241
 MCA, mm2 250.6 (97.5) 232.1 (104.7) 249.6 (113.4) 240.1 (135.7) 0.827 0.238 0.504 0.217 0.356 0.462 0.539
 PNS-AP 27.8 (4.2) 26.5 (3.8) 27.7 (4.4) 26.5 (4.0) 0.639 0.455 0.243 0.767 0.589 0.610 0.371
 PNS-lateral 37.3 (5.7) 38.3 (6.3) 39.0 (5.2) 37.8 (5.1) 0.405 0.284 0.807 0.148 0.186 0.918 0.203
 PNS-AP/ lateral 0.71 (0.12) 0.68 (0.13) 0.69 (0.14) 0.72 (0.17) 0.640 0.286 0.480 0.884 0.708 0.312 0.477
 E-AP 13.4(2.7) 12.3 (3.9) 12.8 (3.7) 12.5 (3.1) 0.640 0.274 0.433 0.252 0.706 0.865 0.796
 E- lateral 30.3(3.0) 30.5 (3.4) 31.4 (2.8) 31.1 (3.7) 0.421 0.994 0.160 0.284 0.217 0.325 0.935
 E-AP/lateral 0.43 (0.11) 0.40 (0.12) 0.40 (0.11) 0.40 (0.11) 0.584 0.301 0.244 0.234 0.846 0.875 0.963
Hyoid
 H-Eb 8.7(1.5) 8.6(3.1) 7.9(1.9) 7.5(1.7) 0.125 0.264 0.035 0.029 0.631 0.395 0.813
 H-Me 44.4(4.7) 45.1(4.9) 44.1(5.1) 42.3(3.7) 0.109 0.541 0.859 0.060 0.448 0.013 0.110
 H-C3 28.0(3.0) 26.5(3.0) 27.0(3.0) 26.0(3.4) 0.083 0.054 0.205 0.019 0.485 0.591 0.230
 H-X 9.8(6.3) 7.2(7.2) 6.9(5.4) 3.9(5.3) 0.004* 0.146 0.065 0.000* 0.862 0.050 0.036
 H-Y 93.2(5.8) 95.5(5.3) 95.0(4.7) 93.2(7.0) 0.489 0.160 0.252 0.935 0.941 0.336 0.420
  1. *P < 0.05
  2. aResults of One-way analysis of variance