Clinical Study
Is Overweight a Risk Factor for Adverse Events during Removal of Impacted Lower Third Molars?
Table 2
Distribution of patients according to predictive variables and correlation of variables and occurrence of intraoperative adverse events.
| Variable | Overweight patients | Occurrence of adverse events | Classification | | % | Yes | value | OR (IC to 95%) | | % |
| Age | <25 years | 132 | 47.1 | 34 | 25.8 | = 0.221 | 1.00 | ≥25 years | 148 | 52.9 | 48 | 32.4 | 1.38 (0.82 to 2.33) |
| Gender | Female | 208 | 74.3 | 50 | 24.0 | = 0.001* | 2.53 (1.44 to 4.44) | Male | 72 | 25.7 | 32 | 44.4 | 1.00 |
| Associated pathologies | None | 212 | 75.7 | 54 | 25.5 | < 0.001* | ** | Pericoronitis | 40 | 14.3 | 14 | 35.0 | ** | Caries | 16 | 5.7 | 13 | 81.3 | ** | Bone resorption | 12 | 4.3 | 1 | 8.3 | ** |
| Level of occlusal plane—Pell and Gregory | High | 208 | 74.3 | 62 | 29.8 | = 0.021* | ** | Medium | 56 | 20.0 | 20 | 35.7 | ** | Low | 16 | 5.7 | ** | ** | ** |
| Available retromolar space—Pell and Gregory | Sufficient | 156 | 55.7 | 34 | 21.8 | = 0.001* | 1.00 | Reduced | 100 | 35.7 | 34 | 34.0 | 1.85 (1.05 to 3.24) | Insufficient | 24 | 8.6 | 14 | 58.3 | 5.02 (2.05 to 12.31) |
| Impaction angle (Winter) | Horizontal | 28 | 10.0 | 6 | 21.4 | = 0.605 | 1.00 | Mesioangular | 76 | 27.1 | 22 | 28.9 | 1.62 (0.62 to 4.23) | Vertical | 176 | 62.9 | 54 | 30,7 | 1.49 (0.53 to 4.18) | Distoangular | — | — | ** | ** | |
| Number of roots | One fused root | 112 | 40.0 | 22 | 19.6 | < 0.001* | ** | ≥2 roots | 152 | 54.3 | 60 | 39.5 | ** | Tooth germ | 16 | 5.7 | ** | ** | ** |
| Root curvature | No | 220 | 78.6 | 66 | 30.0 | = 0.615 | 1.00 | Yes | 60 | 21.4 | 16 | 26.7 | 1.18 (0.62 to 2.24) |
| Tooth relation with mandibular canal | No | 152 | 54.3 | 44 | 28.9 | = 0.892 | 1.00 | Yes | 128 | 45.7 | 38 | 29.7 | 1.04 (0.62 to 1.74) |
| Relation with the 2nd molar | None | 116 | 41.4 | 30 | 23.4 | < 0.001* | 1.00 | Crown alone | 128 | 45.7 | 6 | 30.0 | 1.40 (0.50 to 3.96) | Crown/root | 20 | 7.1 | 12 | 75.0 | 9.80 (2.94 to 32.64) | Root alone | 16 | 5.7 | 34 | 29.3 | 1.35 (0.77 to 2.40) |
| Crown width | Nonbulbous | 192 | 68.6 | 52 | 27.1 | = 0.232 | 1.39 (0.81 to 2.40) | Bulbous | 88 | 31.4 | 30 | 34.1 | 1.00 |
| Periodontal space | Radiolucent | 200 | 71.4 | 49 | 24.5 | = 0.025* | 1.00 | Mixed | 64 | 22.9 | 24 | 37.5 | 2.27 (1.21 to 4.27) | Radioopaque | 16 | 5.7 | 9 | 56.3 | 4.45 (1.50 to 13.44) |
| Total | | 280 | 100.0 | 82 | 29.3 | | |
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Significant association at 5.0%, (—) Undetermined because of sample size, (1)Pearson’s chi-square test, (2)Fisher’s exact test.
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