Table 3.

Comparisons of baseline characteristics of study subjects between the case and the control groups

Variable	Control group (n=253)	Case group (n=255)
Gender (male/female)	140/113	134/121
Age (years)	60.18 ± 7.68	61.45 ± 11.90
Disease duration (years)	–	8.21 ± 2.43
BMI (kg/m2)	23.83 ± 3.64	25.27 ± 3.67*
Total cholesterol (mmol/l)	4.87 ± 1.04	6.01 ± 1.04*
Triglycerides (mmol/l)	1.29 ± 0.35	2.36 ± 0.62*
High-density lipoprotein (mmol/l)	1.29 ± 0.34	1.50 ± 0.45*
Fasting blood glucose (mmol/l)	5.09 ± 1.00	9.96 ± 2.53*
Glycosylated hemoglobin (%)	5.91 ± 1.11	9.49 ± 2.04*
Systolic pressure (mmHg)	119.52 ± 14.09	134.44 ± 10.40*
Diastolic pressure (mmHg)	77.73 ± 12.37	84.14 ± 9.82*

Note: *P<0.05 compared with the control group.