Table 1.

Mean (± SD) demographic and clinical parameters for periodontally healthy and generalized aggressive periodontitis (GAP) subjects

	Health (n = 25)	GAP (n = 31)
	Mean ± SD	Mean ± SD
Age (years)	26 ± 3	25 ± 4
% malesa	45	44
% sites with:
visible plaque***	40 ± 14	59 ± 31
gingival redness*	6 ± 6	26 ± 35
bleeding on probing***	8 ± 9	72 ± 28
Pocket depth (mm)***	2.3 ± 0.5	4.5 ± 1.2
Clinical attachment level (mm)***	1.7 ± 0.4	4.7 ± 1.1
Number of missing teeth***	0.5 ± 1.2	3.6 ± 3.4

^*p<0.05,

^***p<0.001, Mann-Whitney test

^anon-significant, Fisher’s exact test