Clinical Study
Clinically Classified Periodontitis and Its Association in Patients with Preexisting Coronary Heart Disease
Table 2
Factors associated with the presence of coronary heart disease with unadjusted and adjusted odds ratios and 95% confidence interval.
| Parameters | Coronary heart disease, number of patients | OR, 95% CI (unadjusted) | OR, 95% CI (adjusted) | Variables | Yes | No | OR | 95% CI | OR | 95% CI |
| Gender | | | | | | | Males | 200 | 1352 | 0.66 | 0.542–0.812* | 1.23 | 0.756–1.998 | Females | 248 | 1112 | 1.00 | | 1.00 | | Income level | | | | | | | High | 216 | 1024 | 1.31 | 1.070–1.602* | 1.34 | 0.725–2.473 | Low | 232 | 1440 | 1.00 | | 1.00 | | Educational level | | | | | | | High | 268 | 1152 | 1.70 | 1.382–2.081* | 0.71 | 0.392–1.293 | Low | 180 | 1312 | 1.00 | | 1.00 | | Smoking status | | | | | | | Smokers | 352 | 932 | 6.03 | 4.742–7.661* | 2.16 | 1.292–3.594* | Non-smokers | 96 | 1532 | 1.00 | | 1.00 | | Tooth brushing | | | | | | | ≥2 times/day | 208 | 1244 | 0.85 | 0.695–1.040 | 0.80 | 0.461–1.388 | ≤2 times/day | 240 | 1220 | 1.00 | | 1.00 | | Diagnosed hypertension | | | | | | | No | 156 | 1680 | 0.25 | 0.202–0.308* | 0.40 | 0.087–0.668* | Yes | 292 | 784 | 1.00 | | 1.00 | | Diagnosed diabetes mellitus | | | | | | | No | 244 | 1652 | 0.59 | 0.479–0.721* | 0.99 | 0.427–2.320 | Yes | 204 | 812 | 1.00 | | 1.00 | | Total cholesterol | | | | | | | Low | 140 | 1712 | 0.20 | 0.161–0.248* | 0.98 | 0.526–1.848 | High | 308 | 752 | 1.00 | | 1.00 | | HDL-cholesterol | | | | | | | High | 272 | 1836 | 0.53 | 0.428–0.652* | 0.75 | 0.335–1.675 | Low | 176 | 628 | 1.00 | | 1.00 | | Triglycerides | | | | | | | Low | 172 | 1724 | 0.27 | 0.217–0.330* | 0.56 | 0.298–1.056 | High | 276 | 740 | 1.00 | | 1.00 | | C-reactive protein | | | | | | | Low | 192 | 1592 | 0.41 | 0.335–0.504* | 0.62 | 0.366–1.032 | High | 256 | 872 | 1.00 | | 1.00 | | Clinically classified periodontitis | | | | | | | No/mild | 72 | 528 | 0.63 | 0.476–0.844* | 0.51 | 0.319–0.825* | Moderate | 160 | 932 | 0.80 | 0.638–0.997 | 0.66 | 0.432–0.627* | Severe | 216 | 1004 | 1.00 | | 1.00 | |
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