Table 1 Demographic and clinical data in aggressive (localized and generalized) and chronic periodontitis groups

Gender: female/male (% female)

11/2 (84.6%)

29/8 (78.4%)

16/4 (80.0%)

>0.05

Age: mean ± standard deviation (range)

19.85 ± 4.616 (13; 26)

24.43 ± 5.058 (17; 36)

28.55 ± 4.347 (21; 35)

<0.001

Plaque index: median (range)

36.6% (25.9 - 72.5)

80.4% (53.9 - 100.0)

56.2% (45.1 - 76.0)

0.001

Bleeding on probing: median (range)

30.2% (23.1 - 68.9)

76.8% (59.1 – 100.0)

46.4% (33.7 - 59.9)

0.000

Probing pocket depth: mean ± standard deviation

6.23 ± 1.25

6.05 ± 0.95

4.46 ± 0.59

<0.001

Clinical attachment level: mean ± standard deviation

6.03 ± 1.94

5.18 ± 1.39

3.09 ± 1.20

<0.001