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Table 2 Wilcoxon test at T0–T1 and T0–T2 for the patient sample

From: Facial soft tissue response to maxillo-mandibular advancement in obstructive sleep apnea syndrome patients

Statistics Wilcoxon test
  Sn–Gb Sn–NT Sn–Sn Sn–ULA Sn–Mx1 Sn–LLA Sn–Md1 Sn–B’ Sn–Pog’
T0–T1 −4.31 −5.24 0.000 −1.67 −4.49 −3.05 −0.20 −5.14 −5.15
p-value asymptotic significance (2-sides) <0.001 <0.001 1.000 0.094 <0.001 0.002 0.837 <0.001 <0.001
T0–T2 −2.31 −4.35 0.000 −0.54 −2.15 −3.94 −4.78 −5.16 −5.24
p-value asymptotic significance (2-sides) 0.021 <0.001 1.000 0.586 0.032 <0.001 <0.001 <0.001 <0.001
  1. The cephalometric points’ movement in millimeters (mm) and the proportion of movement (%) between the same points in T0 (presurgical), T1 (1–6 months postsurgery) and T2 (6 months to 5 years after surgery)