Table 1.
Baseline characteristics of periodontitis patients and healthy controls participating in part 1 of this study.
| Periodontitis patients (n=38) | Controls (n=38) | P Value | |
|---|---|---|---|
| Age (yr) | 49.1 ± 11.6 | 43.4 ± 12.2 | 0.043 |
| Sex | |||
| Female | 19 (50%) | 16 (42.1%) | 0.490 |
| Ethnicity | |||
| Caucasian | 26 (68.4%) | 34 (89.5%) | 0.047 |
| Education | |||
| ≥ High school | 35 (92.1%) | 38 (100%) | 0.240 |
| Smoking | |||
| Smokers | 20 (52.6%) | 7 (18.4%) | 0.002 |
| BMI (kg/m2) | 27.0 ± 4.5 | 24.6 ± 2.9 | 0.006 |
Values (age and BMI) represent means ± SD. Categorical data (sex, ethnicity, education and smoking) are presented as absolute numbers (percentages) of subjects. Statistical differences (P Values) between patients and controls are presented. P Values were calculated with unpaired parametric t-tests, and categorical data were compared with chi-square tests or Fisher’s exact tests where appropriate.