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

Table 4

Correlation between VAS and parameters in Spearman rank correlation analysis.

Parameters	Correlation coefficient
	Female		Male
	()		()
	D1	D2	D1	D2
Age, y	0.197	−0.051	−0.256	−0.485
Operation time, min	0.264	0.174	−0.027	0.076
Blood loss, mL	−0.293	0.074	0.061	−0.222
Reduced blood ingredients
RBCs, ×10^6/μL	−0.083	0.298	0.115	0.01
Hgb, g/dL	−0.231	0.150	0.177	0.029
Hct, %	−0.065	0.409	0.190	0.058
Setback, mm
Right side	−0.240	−0.150	−0.014	−0.086
Left side	−0.111	0.092	0.033	−0.207

Spearman rank correlation coefficients: .
D1: postoperation day 1.
D2: postoperation day 2.