Incidence of postextraction bleeding (%) | 95% CI | ||||
---|---|---|---|---|---|
OR | Lower | Upper | p Value | ||
Age (years) | |||||
<65 | 8.9 | 1 (Ref) | |||
≥65 | 1.9 | 0.197 | 0.075 | 0.520 | 0.001* |
Sex | |||||
Male | 3.4 | 1 (Ref) | |||
Female | 4.0 | 1.164 | 0.443 | 3.057 | 0.759 |
Type | |||||
Foretooth or premolar | 2.3 | 1 (Ref) | |||
Molar | 5.1 | 2.2249 | 0.830 | 6.091 | 0.111 |
Instrument | |||||
Forceps only | 2.9 | 1 (Ref) | |||
Elevators alone or with forceps | 4 | 1.383 | 0.485 | 3.947 | 0.544 |
Cause for extraction | |||||
Caries, apical periodontitis, or other | 2.6 | 1 (Ref) | |||
Periodontitis or wisdom tooth pericoronitis | 5.5 | 2.204 | 0.854 | 5.688 | 0.102 |
Status of antiplatelet therapy | |||||
No | 4.5 | 1 (Ref) | |||
Yes | 0.8 | 0.174 | 0.023 | 1.318 | 0.090 |
PT-INR | 3.635 | 1.5640 | 8.448 | 0.003* | |
Use of vasoconstrictors | |||||
No | 4.1 | 1 (Ref) | |||
Yes | 0 | ||||
Use of local anaesthetics containing vasoconstrictors | |||||
No | 0 | 1 (Ref) | |||
Yes | 3.7 | ||||
Use of inferior alveolar nerve block | |||||
No | 3.3 | 1 (Ref) | |||
Yes | 14.3 | 4.854 | 1.002 | 23.513 | 0.050* |
Comorbidity possibly influencing haemostasis | |||||
No | 5.8 | 1 (Ref) | |||
Yes | 2.6 | 0.440 | 0.171 | 1.131 | 0.088 |
History of acute inflammation at extraction site | |||||
No | 2.5 | 1 (Ref) | |||
Yes | 5.1 | 2.093 | 0.7970 | 5.492 | 0.134 |
Gingival inflammation at extraction site | |||||
None-to-mild | 3.3 | 1 (Ref) | |||
Moderate-to-severe | 4.9 | 1.491 | 0.519 | 4.283 | 0.458 |
Abnormal granulation tissue in extraction socket | |||||
None-to-little | 2.2 | 1 (Ref) | |||
Medium-to-much | 6.1 | 2.900 | 1.1040 | 7.619 | 0.031* |
*p≤0.05 was considered significant.
PT-INR, prothrombin time–international normalised ratio.