Table 1: Demographic characteristics of study subjects


Upstream group(n=220) Downstream group (n=258) P value
Age (years) 57.6 ± 8.7 57.8 ± 8.6 0.78
Male 159(72.3) 183(70.9) 0.75
Weight (kg) 71.4 ± 11.3 71.3 ± 10.3 0.93
Height (cm) 167.7 ± 7.3 166.9 ± 7.4 0.26
BMI (kg/m2) 25.3 ± 3.1 25.6 ± 2.9 0.42
Hypertension 135(61.4) 166(64.3) 0.50
Diabetes 70(31.8) 60(23.3) 0.04
Hyperlipidemia 58(26.4) 78(30.2) 0.35
Smoking 116(52.7) 142(55.0) 0.78
Hematocrit (%) 40.8 ± 8.8 42.3 ± 11.8 0.13
Hemoglobin (g/L) 136.6 ± 19.4 138.3 ± 19.7 0.36
Platelet count(109/L) 215.1 ± 63.6 219.5 ± 65.5 0.46
Admission diagnosis 0.86
NSTEMI 69(31.4) 79(30.6)
UAP 151(68.6) 179(69.4)
Lesion type 0.29
A 20(10.4) 28(11.7)
B 129(66.8) 143(59.6)
C 44(22.8) 69(28.7)

*BMI: Body Mass Index, NSTEMI: Non-ST Segment Elevation Myocardial Infarction, UAP: Unstable Angina Pectoris.