Association among serum and salivary A. actinomycetemcomitans specific immunoglobulin antibodies and periodontitis

Table 3 Stepwise (backward elimination) linear regression models for periodontal parameters. Only significantly predictors in the final models were reported

	Number of teeth			CAL
VARIABLES	Coeff.	95%C.I.	P-value	Coeff.	95%C.I.	P-value
Age	− 0.25	− 0.22; 0.06	0.029	0.14	0.02; 0.57	0.034
Serum A.actinomycetemcomitans IgG	−0.27	− 0.11; 0.51	< 0.001	0.24	− 0.05; 0.83	< 0.001
hs-CRP	−1.66	−1.15; −1.19	0.003	0.43	0.41; 0.76	< 0.001
	PD			BOP
VARIABLES	Coeff.	95%C.I.	P-value	Coeff.	95%C.I.	P-value
Age	−0.28	−0.12; 0.34	0.075	0.24	0.11; 1.78	0.003
Serum A.actinomycetemcomitans IgG	0.16	0.11; 0.76	< 0.001	1.44	1.29; 3.12	< 0.001
hs-CRP	0.51	0.25; 0.87	< 0.001	5.13	3.97; 6.81	< 0.001

ISSN: 1472-6831