Table 1. Baseline characteristics of study participants by presence of the metabolic syndrome.

Characteristics	Metabolic Syndrome Present (n = 21497)	Metabolic Syndrome Absent (n = 53971)	P- value
Age (years)	52.32±13.17	47.39±13.73	<0.001
Men	14264 (66.35)	28249 (52.34)	<0.001
Body height (cm)	166.54±8.97	165.61±8.39	<0.001
Body weight (kg)	76.17±12.04	65.00±11.16	<0.001
Body mass index (kg/m2)	27.36±2.73	23.61±2.94	<0.001
Systolic blood pressure(mm Hg)	138.73±15.69	123.07±16.30	<0.001
Diastolic blood pressure(mm Hg)	87.22±10.27	78.06±10.36	<0.001
Triglyceride (mmol/L)	2.60±2.06	1.18±0.81	<0.001
Fasting plasma glucose (mmol/L)	6.24±1.84	5.31±0.91	<0.001
HDL-cholesterol (mmol/L)	1.11±0.25	1.42±0.32	<0.001
eGFR (ml/min/1.73 m2)	134.23±34.69	137.97±31.95	<0.001

Data are n (%) or mean ± SD; HDL, high-density lipoprotein. eGFR, estimated glomerular filtration rate.