Table 2. Prevalence of the metabolic syndrome and its components by sex- specific quartiles of serum ferritin.

	Q1	Q2	Q3	Q4	P(trend)
Men
Ferrintin (mg/L)	51.9	97.2	154.0	422.5
MetS(%)	11.7	15.9	18.8	33.1	<0.001
Waist (%)	22.8	24.9	32.3	42.1	<0.001
TG (%)	18.68	25.4	33.6	48.7	<0.001
HDL (%)	11.4	14.3	16.7	25.0	<0.001
BP (%)	44.2	44.7	46.3	49.3	0.01
GLU (%)	10.7	13.8	15.4	22.9	<0.001
Women
Ferrintin(mg/L)	12.9	36.0	68.4	142.7
MetS	13.0	19.0	27.3	42.3	<0.001
Waist (%)	43.8	48.6	58.7	68.1	<0.001
TG (%)	15.6	22.0	28.3	42.3	<0.001
HDL (%)	29.1	32.1	32.4	40.0	<0.001
BP (%)	22.6	30.8	45.2	52.8	<0.001
GLU (%)	4.8	9.3	12.1	22.7	<0.001