Table 2. Pearson’s correlation among circulating zonulin and metabolic parameter.

	All participants(N = 123)		NGT(N = 82)		GI(N = 41)
	r	p	r	p	r	p
Age (years)	0.18	0.05	0.22	0.045	−0.03	0.8
BMI (Kg/m2)	0.28	0.002	0.16	0.1	0.42	0.007
WHR	0.2	0.025	0.18	0.1	0.17	0.2
Fasting glucose (mg/dl)	−0.01	0.9	−0.03	0.7	−0.11	0.4
Fasting insulin (mg/dl)	0.37	<0.0001	0.18	0.1	0.57	<0.0001
HbA1c (%)	0.14	0.1	0.24	0.03	−0.04	0.8
Log IS (10−4/min−1·mU per liter)	−0.28	0.002	−0.22	0.045	−0.36	0.02
HDL-Cholesterol (mg/dl)	−0.21	0.02	−0.27	0.01	−0.04	0.8
Log Fasting triglycerides (mg/dl)	0.21	0.02	0.22	0.045	0.15	0.35
Uric acid (mg/dl)	0.2	0.025	0.24	0.03	0.01	0.9
Circulating IL-6 (pg/ml)	0.29	0.008	0.31	0.01	0.22	0.2

NGT, participants with normal glucose tolerance; GI, participants with glucose intolerance; WHR, waist to hip ratio; HbA1c, Glycosylated haemoglobin; IS, insulin sensitivity.