Table 1. Mean Clinical Parameters of Study Patients.
| Aggressive Periodontitis | Chronic Periodontitis | Healthy Controls | ||
| (n = 15) | (n = 11) | (n = 14) | ||
| 8 ♀, 7 ♂ | 5 ♀, 6 ♂ | 11 ♀, 3 ♂ | ||
| Age [years] |
 ±σ |
32.1±7.1 | 45.2±8.0 | 24.9±1.6 |
|
31.0 | 46.0 | 25.0 | |
| IPI [%] |
 ±σ |
30.7±15.2 | 35.6±16.4 | 12.1±5.5 |
|
25.0 | 36.0 | 12.5 | |
| BOP [%] |
 ±σ |
30.1±20.1 | 24.8±14.4 | 13.6±8.9 |
|
24.6 | 17.5 | 17.0 | |
| CAL [mm] |
 ±σ |
3.4±1.0 | 2.2±0.8 | 0.4±0.4 |
|
3.4 | 2.2 | 0.3 | |
| PD [mm] |
 ±σ |
3.3±1.0 | 2.7±0.7 | 2.0±0.3 |
|
3.1 | 2.5 | 2.1 | |
| PD (max) [mm] |
 ±σ |
7.7±2.7 | 5.3±1.4 | 3.6±0.6 |
|
7.0 | 5.0 | 4.0 | |
| Bone loss [%] |
 ±σ |
66.7±9.8 | 13.2±4.6 | 0.0±0.0 |
|
70.0 | 15.0 | 0.0 |
IPI: interproximal plaque index; PD: probing depth; CAL: clinical attachment level; BOP: bleeding on probing; bone loss: maximum of radiographic bone loss.