Intraoperative Hemorrhage and Postoperative Sequelae after Intraoral Vertical Ramus Osteotomy to Treat Mandibular Prognathism
Table 2
Mean differences in postoperation symptoms by sex.
Variables
Female (F) Mean (SD)
Male (M) Mean (SD)
VAS, cm; F/M = 28/19
D1
2.93 (1.03)
3.21 (1.36)
0.460
D2
1.32 (1.49)
1.79 (1.32)
0.275
TMJ clicking, ; F/M = 22/10
Preoperation
Right side
0.23 (0.42)
0.20 (0.40)
0.868
Left side
0.18 (0.39)
0.20 (0.40)
0.910
Postoperation
Right side
0.05 (0.21)
0.10 (0.30)
0.628
Left side
0.14 (0.34)
0.20 (0.40)
0.683
MMO, mm; F/M = 22/10
Preoperation
54.66 (6.28)
57.25 (8.73)
0.435
Immediate after removal of IMF
19.27 (5.48)
22.20 (3.99)
0.116
2 weeks after removal of IMF
40.84 (6.86)
42.09 (9.34)
0.723
Final observation
51.05 (4.67)
57.90 (6.41)
0.012
Lip numbness, ; F/M = 42/27
Right side
Immediate after operation
0.05 (0.21)
0.19 (0.39)
0.107
Final examination
0.00 (0.00)
0.07 (0.26)
0.161
Left side
Immediate after operation
0.05 (0.21)
0.11 (0.31)
0.370
Final examination
0.00 (0.00)
0.00 (0.00)
1.000
= number of sides; MMO = maximum mouth opening. -test statistics; values for differences by sex. . D1: postoperation day 1; D2: postoperation day 2. Significant difference between D1 and D2. Significant difference between preoperation and postoperation. Significant difference between preoperation and final examination.
