Table 3.

Correlation between adipocyte fatty acid-binding protein and tumor necrosis factor alpha in gingival crevicular fluid and clinical parameters in the three groups

Correlation	Healthy		Gingivitis		Periodontitis
	r	P	r	P	r	P
A-FABP and PI	0.165	0.24	0.446	0.02*	0.799	0.00001*
A-FABP and BI	0.194	0.20	0.439	0.02*	0.417	0.03*
A-FABP and PD	0.376	0.05*	0.401	0.03*	0.847	0.000001*
A-FABP and CAL	0.409	0.03*	0.631	0.001*	0.721	0.0001*
TNF-αand PI	0.058	0.40	0.422	0.03*	0.542	0.006*
TNF-αand BI	0.147	0.26	0.307	0.09	0.354	0.06
TNF-αand PD	0.359	0.05*	0.010	0.48	0.531	0.007*
TNF-αand CAL	0.441	0.02*	0.662	0.007*	0.678	0.0005*
A-FABP and TNF-α	0.091	0.35	0.346	0.06	0.731	0.0001*

*Statistically significant. PI: Plaque index; BI: Bleeding index; PD: Probing depth; CAL: Clinical attachment loss; A-FABP: Adipocyte fatty acid binding protein; TNF-α: Tumor necrosis factor alpha