Journal of the Korean Association of Oral and Maxillofacial Surgeons : eISSN 2234-5930 / pISSN 2234-7550

Table. 2.

Table. 2.

Correlations between lag screw osteosynthesis site and outcome variables

Variable Category Total Body Parasymphyseal Symphyseal Angle P-value
Mandibular fracture site Site 33 (100) 6 (18.2) 9 (27.3) 8 (24.2) 10 (30.3) -
Surgical time (min) Range, 30-60 min 45.36±9.54 32.50±9.55 53.67±5.11 48.80±9.94 40±0 0.035*
Double lag screw fixation technique 17 (51.5) 0 9 (27.3) 8 (24.2) 0
Postoperative edema Mild 20 (60.6) 3 (9.1) 8 (24.2) 6 (18.2) 3 (9.1) 0.10
Moderate 11 (33.3) 3 (9.1) 1 (3.0) 2 (6.1) 5 (15.2)
Severe 2 (6.1) 0 0 0 2 (6.1)
Wound dehiscence Yes 1 (3.0) 0 0 0 1 (3.0) 0.49
No 32 (97.0) 6 (18.2) 9 (27.3) 8 (24.2) 9 (27.3)
Postoperative infection Yes 1 (3.0) 0 0 0 1 (3.0) 0.4
No 32 (97.0) 6 (18.2) 9 (27.3) 8 (24.2) 9 (27.3)
Postoperative paresthesia Yes 4 (12.1) 0 1 (3.0) 1 (3.0) 2 (6.1) 0.7
No 29 (87.9) 6 (18.2) 8 (24.2) 7 (21.2) 8 (24.2)
Postoperative malocclusion 1 (3.0) 0 0 0 1 (3.0) 0.49

*P<0.05.

Values are presented as number (%) or mean±standard deviation.

J Korean Assoc Oral Maxillofac Surg 2020;46:393~402
https://doi.org/10.5125/jkaoms.2020.46.6.393
© JKAOMS