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Table 6 Multivariate analysis of medial TMJ space dimensions based on GEE model

From: Modeling the effect of bilateral sagittal split osteotomy on posterior, superior and medial space dimensions of the temporomandibular joint: a retrospective controlled cohort study

Outcome

Parameter

B

SE

95% CI

P

Medial space dimension (mm)

Study group

    

BSSO group (n = 72)

0.18

0.32

-0.44—0.81

0.565

Control group (n = 50)

Reference

   

Mandibular advancement

-0.03

0.05

-0.06—0.13

0.475

Condylar position

    

Posterior

-0.32

0.16

-0.64—-.0.10

0.043

Central

-0.17

0.15

-0.46—0.12

0.256

Anterior

Reference

   

Time

0.01

0.01

-0.01—0.30

0.090

Time * BSSO group

-0.07

0.04

-0.14—-0.01

0.046

  1. TMJ Temporomandibular joint, GEE Generalized estimating equation, BSSO Bilateral sagittal split osteotomy, mm Millimeters, P Probability of type I error, B Regression coefficient, SE Standard error, CI Confidence interval