Table 1. Characteristics of Subjects According to Age, Gender, Smoking History, and Periodontal Status.
| Healthy | Periodontal Disease | |
|---|---|---|
| Subjects (n) | 10 | 14 |
|
| ||
| Ethnicity (n) | ||
| White | 6 | 8 |
| Black | 2 | 1 |
| Hispanic | 1 | 3 |
| Asian | 1 | 2 |
|
| ||
| Age (years) | ||
| Mean | 44.7 ± 16.6 | 46.1 ± 24.2 |
| Range | 22 to 65 | 18 to 89 |
|
| ||
| Males (n) | 30.0% (3) | 28.6% (4) |
|
| ||
| Sites examined (n) | 24 | 45 |
|
| ||
| Attachment loss (mm) | ||
| Mean | 0.0 ± 0.0 | 2.1 ± 0.9* |
| Range | 0.0 to 0.0 | 1.0 to 4.0 |
|
| ||
| PD (mm) | ||
| Mean | 2.2 ± 0.6 | 5.2 ± 1.4* |
| Range | 1.0 to 3.0 | 4.0 to 8.0 |
|
| ||
| BOP (n subjects) | 10% (1) | 93% (13) |
|
| ||
| Smoking history (mean [pack-years]) | ||
| Current | 3 (23) | 0 |
| Past | 0 | 3 (25) |
| None | 7 | 11 |
*
P <0.05.