Skip to main content
. 2022 Aug 12;101(32):e29989. doi: 10.1097/MD.0000000000029989

Table 3.

The univariate analysis of the postoperative complications after the lower third molar extraction.

No. of Postoperative complications (%) No. of Postoperative complications (%)
Variables No Yes OR P value Variables No Yes OR P value
Gender Disappearance of periodontal ligament space
 Male 686 (37.6) 70 (3.8) 1.157 NS  No 1345 (73.7) 147 (8.1) 1.105 NS
 Female 957 (52.4) 113 (6.2) .385  Yes 298 (16.3) 36 (2.0) .615
Age, y Radiographical association between root and inferior alveolar canal
 <32 1034 (56.6) 96 (5.3) 1.539 <.01  No association between root structure  and the superior border of the canal 759 (41.6) 61 (3.) <.001*
 ≧32 609 (33.4) 87 (4.6)  Root structure impinging the superior  border of canal 680 (37.2) 80 (4.4)
Diabetes mellitus Overlapping root structure and canal 204 (11.2) 42 (2.3)
 No 1622 (88.8) 181 (9.9) 0.853 NS Pell and Gregory classification
 Yes 21 (1.2) 2 (0.1) 1.000  Class I 446 (24.4) 29 (1.6) <.001*
Immunosuppressor factor  Class II 968 (53.0) 116 (6.4)
 No 1619 (88.7) 180 (9.9) 1.124 NS  Class III 229 (12.5) 38 (2.1)
 Yes 24 (1.3) 3 (0.2) .747  Position A 722 (42.3) 50 (2.7) .001*
Hypertension  Position B 806 (44.1) 96 (5.3)
 No 1585 (86.8) 176 (9.6) 1.087 NS  Position C 115 (6.3) 37 (2.0)
 Yes 58 (3.2) 7 (0.4) .833 Bone removal
Cerebral infarction  No 164 (9.0) 8 (0.4) 2.426 .05
 No 1630 (89.3) 183 (10.0) 0 NS  Yes 1479 (81.0) 175 (9.6)
 Yes 13 (0.7) 0 (0) .632 Tooth sectioning
Drinking habit  No 164 (9.0) 9 (0.5) 2.144 <.05
 No 1335 (73.1) 149 (8.2) 0.989 NS  Yes 1479 (81.0) 174 (9.5)
 Yes 308 (16.9) 34 (1.9) 1.000 Primary wound closure
Diarrhea  No 250 (13.7) 25 (1.4) 1.134 NS
 No 1631 (89.3) 182 (10.0) 0.747 NS  Yes 1393 (76.3) 158 (8.7) .633
 Yes 12 (0.7) 1 (0.1) 1.000
Comorbidities
 No 1333 (73.0) 140 (7.7) 1.321 NS
 Yes 310 (17.0) 43 (2.4)
Preoperative use of antibiotic
 No 1231 (67.4) 118 (6.5) 1.646 <.01
 Yes 412 (22.6) 65 (3.6)
Preoperative use of painkiller
 No 1614 (88.4) 179 (9.8) 2.214 NS
 Yes 29 (1.6) 7 (0.4) .083