TABLE 1.
Demographic Data of Study Subjects
| Diabetes mellitus (DM) |
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|---|---|---|---|---|---|---|---|
| Periodontitis |
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| Healthy controls (HC) | Total | No (DM-NP) | Moderate (DM-MP) | Severe (DM-SP) | Chronic periodontitis (CP) | ||
| N | 45 | 50 | 16 | 20 | 14 | 6 | |
| Type of diabetes | Type I | – | 12 | 3 | 5 | 4 | – |
| Type II | 38 | 13 | 15 | 10 | |||
| Duration of diabetes (year; mean±sem) | – | 10.70 ± 1.43 | 7.59 ± 0.31 | 8.85 ± 0.25 | 10.24 ± 0.50 | – | |
| Age (mean±sem) | 48.3 ± 1.9 | 50.9 ± 1.3 | 48.6 ± 3.7 | 50.7 ± 3.9 | 56.0 ± 2.9 | 46.7 ± 3.4 | |
| Gender | Male | 30 | 30 | 10 | 12 | 8 | 5 |
| Female | 15 | 20 | 6 | 8 | 6 | 1 | |
| Race | Asian | 9 | 3 | 3 | 0 | 0 | 0 |
| Caucasian | 15 | 20 | 6 | 8 | 6 | 1 | |
| African-American | 14 | 26 | 6 | 12 | 8 | 1 | |
| Hispanic | 5 | 8 | 3 | 3 | 2 | 1 | |
| Smoking status | Smoker | 16 | 17 | 6 | 9 | 6 | 0 |
| Nonsmoker | 29 | 33 | 10 | 11 | 8 | 6 | |