Research Article

Intraoperative Hemorrhage and Postoperative Sequelae after Intraoral Vertical Ramus Osteotomy to Treat Mandibular Prognathism

Table 5

The TMJ symptoms changed before and after orthognathic surgery in the Chi-square and logistic regression tests.

Postoperation TMJ clicking
Parameters Right () Left ()
value value

Preoperation clicking
 Right/left 0.006 0.185
Setback, mm
 Right/left, ≦9 mm 0.658
 Right/left, >9 mm 0.758 0.948

Chi-square test; significant .
Logistic regression test; significant .
—: nonestimated (due to no TMJ clicking).