Table 3.

Correlations between biomarkers and periodontal clinical parameters (Pearson correlation coefficients, r values).

Variables		Irisin		Visfatin		IL-6
		r	p-value	r	p-value	r	p-value
Control	Irisin (pg/ml)
	visfatin (pg/ml)	0.173	0.359
	IL-6 (pg/m)	−0.251	0.180	0.714	*0.000
	PLI%	0.170	0.367	0.223	0.235	0.110	0.559
	BOP%	0.112	0.553	0.155	0.411	0.049	0.795
	Age (year)	−0.036	0.847	−0.200	0.289	−0.179	0.342
	BMI (kg/m2)	−0.008	0.969	−0.098	0.608	−0.160	0.397
	WHtR	−0.189	0.316	0.139	0.461	0.177	0.348
Gingivitis	Irisin (pg/ml)
	visfatin(pg/ml)	−0.394	*0.031
	IL-6 (pg/ml)	−0.395	0.051	0.503	*0.004
	PLI%	0.137	0.467	0.518	*0.003	0.457	*0.011
	BOP%	−0.412	*0.023	0.495	*0.005	0.461	*0.010
	Age (year)	−0.065	0.730	0.253	0.176	0.176	0.350
	BMI (kg/m2)	−0.160	0.390	0.223	0.234	−0.010	0.957
	WHtR	−0.050	0.724	0.017	0.925	−0.191	0.311
Periodontitis	Irisin (pg/ml)
	visfatin (pg/ml)	−0.701	*0.000
	IL6 (pg/ml)	−0.446	*0.013	0.618	*0.000
	PLI%	−0.728	*0.000	0.815	*0.000	0.692	*0.000
	BOP%	−0.763	*0.000	0.645	*0.000	0.621	*0.000
	PPD (mm)	−0.658	*0.000	0.743	*0.000	0.722	*0.000
	CAL (mm)	−0.544	*0.000	0.649	*0.000	0.745	*0.001
	Age (year)	−0.105	0.578	0.237	0.206	0.027	0.884
	BMI (kg/m2)	0.125	0.510	0.042	0.823	−0.144	0.445
	WHtR	−0.057	0.761	0.029	0.877	−0.216	0.251

Pearson correlation test.

^*p < 0.05.