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

Table 6

The lower lip numbness changed at the immediate and final examination in the logistic regression test.

	Postoperation lower lip numbness
Parameters	Right ()	Left ()
	value	value
Setback, ≦9 mm
Immediate after operation	0.481	0.325
Final examination	0.961	—
Setback, >9 mm
Immediate after operation	0.812	0.432
Final examination	0.378	—

Logistic regression test; significant .
—: nonestimated (due to no lip numbness).