Research Article

Investigation of Immediate Postoperative Pain following Orthognathic Surgery

Table 4

Four surgical groups in the Tukey HSD post comparison.

Variables valueTukey HSD post comparison

Gender1.980.122
Age (y)6.582<0.001Group 3>4, 3>1, 3>2
Operation time (min)20.107<0.001Group 4>2, 4>1, 3>1, 2>1
Blood loss (mL)9.181<0.001Group 4>2, 4>1, 3>1
Postoperative reduction
 Hgb (g/dL)7.202<0.001Group 4>2, 4>1, 3>1
 Hct (%)7.443<0.001Group 4>2, 4>1, 3>1
VAS (cm)0.3870.762

VAS: visual analog scale. Statistically significant, ; not significant. Group 1: IVRO; Group 2: IVRO+GeP; Group 3: ASO Mx+ASO Md; Group 4: ASO Mx+ASO Md+GeP. Mx: maxilla; Md: mandible; IVRO: intraoral vertical ramus osteotomy; ASO: anterior subapical osteotomy; GeP: genioplasty.