Clinical Study

Association between Peak Neutrophil Count, Clopidogrel Loading Dose, and Left Ventricular Systolic Function in Patients with Primary Percutaneous Coronary Intervention

Table 2

Baseline characteristics and IL-6 and IL-10 levels in a subgroup.

Variable Low clopidogrel loading dose (300–450 mg)
( )
High clopidogrel loading dose (600 mg)
( )
P value

Age (yrs) 0.17
Male sex (%)84.355.00.20
Hypertension (%)37.540.00.53
Diabetes mellitus (%)21.920.01.00
Hypercholesterolemia (%)31.325.01.00
Current smoking (%)50.035.00.76
Body mass index (kg/m2) 0.17
Anterior infarction (%)40.630.00.34
IL-6 (ng/L)
 Admission7.51 (5.13, 12.93)5.86 (4.55, 8.08)0.20
 4–6 h after PPCI10.31 (7.90, 14.89)5.96 (5.18, 10.93)0.02
 12 h after PPCI8.43 (6.88, 11.90)8.52 (6.81, 13.84)0.88
 24 h after PPCI7.79 (6.16, 11.15)6.70 (5.72, 8.56)0.24
 7 d after PPCI9.73 (6.40, 13.53)8.13 (6.56, 12.11)0.73
 Peak value13.44 (11.94, 19.90)11.54 (8.94, 24.59)0.24
IL-10 (ng/L)
 Admission18.53 (15.54, 22.73)21.78 (20.74, 23.16)0.11
 4–6 h after PPCI16.39 (11.24, 19.56)20.64 (16.87, 22.57)0.02
 12 h after PPCI18.73 (15.70, 20.99)19.06 (15.36, 21.52)0.86
 24 h after PPCI18.29 (15.05, 21.22)20.72 (18.87, 22.55)0.05
 7 d after PPCI17.66 (15.59, 20.86)19.44 (16.77, 21.15)0.50
 Peak value21.35 (20.00, 24.33)22.71 (21.58, 24.60)0.12

Values represent mean SD or median with 25 and 75 percentiles.
Note: CAD: coronary artery disease; PCI: percutaneous coronary intervention; hs-CRP: high-sensitive C-reactive protein; HDL-C: high density lipoprotein cholesterol; LDL-C: low density lipoprotein cholesterol; IL-6: interleukin-6; IL-10: interleukin-10.