Table 2. Distribution of periodontal indexes compared with the control group.

	Marfan group (n = 16)	Control group (n = 20)	t-student	Degree of freedom	P value	CI 95%
Plaque index	59%	21%	8.23	24.64	0.000*	0.28–0.47
Bleeding on probing	36%	16%	7.95	27.39	0.000*	0.19–0.33
Medial PSR	1.69	0.39	5.36	20.86	0.000*	0.85–1.92

Notes.

^*Sig < 0.05, t-test for unpaired data.

PSR, Periodontal screening and recording.