Table 1. General characteristics of the IS and PSE patients.

Parameter	IS (n = 240)	PSE(n = 225)	P
Gender (male/female)	142/98	137/88	NS
Age, year	61.15±8.77	63.27±7.56	NS
BMI, kg/m2	23.66±3.02	23.35±2.73	NS
SBP, mmHg	143±13	146±11	NS
DBP, mmHg	87±9	85±8	NS
Cr, µmol/L	86.33±10.55	87.29±15.33	NS
HDL-C, mmol/L	1.34±0.35	1.29±0.48	NS
LDL-C, mmol/L	2.66±0.47	2.59±0.63	NS
TG, mmol/L	1.96±0.57	1.92±0.93	NS
TC, mmol/L	4.85±0.76	4.80±0.74	NS

Cr: Creatinine; TG: Triglyceride; TC: Total cholesterol.