Table 2.
Characteristics of the study population
| Advanced periodontitis | |||
|---|---|---|---|
| (−) | (+) | p | |
| No. of subjects | 710 | 197 | |
| Men, % | 36.6 | 47.2 | 0.007 |
| Age, year | 71.5 ± 7.0 | 72.3 ± 6.3 | 0.147 |
| HTLV-1 infection, % | 17.7 | 18.8 | 0.738 |
| Body mass index (BMI), kg/m2 | 22.8 ± 3.2 | 23.6 ± 3.4 | 0.002 |
| Serum HDL cholesterol, mg/dL | 62 ± 15 | 61 ± 15 | 0.454 |
| Serum triglycerides, mg/dL | 101 ± 50 | 101 ± 53 | 0.908 |
| Hemoglobin A1c (HbA1c), % | 5.8 ± 0.5 | 5.8 ± 0.5 | 0.953 |
| Glucose lowering medication use, % | 5.5 | 7.1 | 0.394 |
| Antihyperlipidemic medication use, % | 21.3 | 21.3 | 0.987 |
| Current smoker, % | 5.4 | 9.1 | 0.051 |
| No. of remaining teeth | 21.6 ± 6.6 | 20.8 ± 6.3 | 0.123 |
| Individuals with decayed teeth, % | 27.0 | 38.1 | 0.003 |
| CIMT, mm | 0.94 ± 0.21 | 0.96 ± 0.20 | 0.200 |
| Reticulocyte, × 104 cells/μL | 5.152 ± 1.771 | 5.223 ± 2.422 | 0.650 |
Values: mean ± 1 standard deviation (SD). CIMT Carotid Intima-Media Thickness. Advanced periodontitis is defined as periodontal pocket ≥ 6.0mm