Table 5 Multivariate analysis of posterior and superior TMJ space dimensions based on GEE model

Posterior space dimension (mm)

Study group

BSSO group (n = 72)

-0.32

0.22

-0.74—0.11

0.144

Control group (n = 50)

Reference

Mandibular advancement

-0.02

0.03

-0.09—0.04

0.474

Condylar position

Posterior

-0.58

0.11

-0.80—0.36

< 0.001

Central

-0.46

0.09

-0.65—0.28

< 0.001

Anterior

Reference

Time

-0.12

0.08

-0.28—0.02

0.088

Time * BSSO group

-0.31

0.10

-0.49—0.12

0.001

Superior space dimension (mm)

Study group

BSSO group (n = 72)

-0.16

0.32

-0.46—0.78

0.607

Control group (n = 50)

Reference

Mandibular advancement

-0.03

0.05

-0.13—0.07

0.541

Condylar position

Posterior

-0.02

0.17

-0.35—0.30

0.902

Central

-0.08

0.12

-0.31—0.14

0.480

Anterior

Reference

Time

-0.15

0.07

-0.27—0.28

0.017

Time * BSSO group

-0.27

0.08

-0.43—0.10

0.002