Research Article

Relationship between White Blood Count to Mean Platelet Volume Ratio and Clinical Outcomes and Severity of Coronary Artery Disease in Patients Undergoing Primary Percutaneous Coronary Intervention

Table 4

(a) Univariate and multivariate logistic regression analysis for determining the factors associated with in-hospital MACE

VariablesUnivariate analysisMultivariate analysis
Model 1 (with GRACE)
Multivariate analysis
Model 2 (with GRACE and WMR)
OR(95% CI)OR(95% CI)OR(95% CI)

Age1.032(1.016-1.047)<0.0010.956(0.927-1.067)0.1030.960(0.930-1.017)0.116
Male gender0.852(0.544-1.333)0.483
HT1.584(1.065-2.356)0.0231.002(0.56-1.793)0.9930.996(0.556-1.785)0.989
DM1.79(1.226-2.613)0.0030.854(0.438-1.665)0.6440.847(0.434-1.653)0.626
HL1.571(1.058-2.332)0.0251.463(0.83-2.581)0.1891.493(0.844-2.642)0.168
CAD1.804(1.178-2.761)0.0071.275(0.699-2.326)0.4281.339(0.73-2.454)0.345
Smoking1.11(0.759-1.623)0.590
Hba1c1.284(1.156-1.426)<0.0011.129(0.937-1.361)0.2031.14(0.945-1.377)0.171
CreCl (ml/min)0.968(0.96-0.977)<0.0010.992(0.978-1.007)0.2950.995(0.98-1.009)0.477
HB0.85(0.772-0.936)0.0010.974(0.847-1.121)0.7150.947(0.821-1.092)0.456
1.156(1.099-1.215)<0.001
MPV1.024(0.894-1.171)0.736
WMR2.805(1.752-4.488)<0.0011.764(1.046-2.976)0.033
PLT1.001(0.999-1.003)0.331
LVEF0.889(0.869-0.908)<0.0010.923(0.9-0.946)<0.0010.925(0.902-0.948)<0.001
GRACE1.045(1.036-1.054)<0.0011.043(1.027-1.059)<0.0011.042(1.026-1.058)<0.001
RSS1.145(1.112-1.179)<0.0011.070(1.033-1.107)<0.0011.067(1.03-1.105)<0.001
C-Statistic (95% CI)0.790(0.741-0.839)<0.0010.820(0.772-0.869)<0.001
Hosmer-Lemeshow5.1430.4248.1020.742

(b) Univariate and multivariate Cox regression analysis for determining the risk factors associated with follow-up MACE

VariablesUnivariate analysisMultivariate analysis
HR(95% CI)HR(95% CI)

Age1.039(1.021-1.057)<0.0011.017(0.993-1.041)0.160
Male gender0.683(0.438-1.066)0.093
HT1.098(0.716-1.685)0.668
DM1.659(1.1-2.501)0.0160.967(0.556-1.684)0.906
HL0.979(0.642-1.493)0.921
CAD1.32(0.84-2.075)0.229
Smoking0.56(0.363-0.862)0.0090.752(0.464-1.217)0.245
Hba1c1.154(1.035-1.288)0.0101.06(0.902-1.247)0.479
CreCl0.988(0.98-0.997)0.0091.006(0.994-1.018)0.353
HB0.973(0.889-1.065)0.553
WBC0.961(0.904-1.021)0.197
PLT1.002(0.999-1.004)0.124
CRP (mg/dl)1(1-1.001)0.117
MPV1.288(1.112-1.492)0.0011.153(0.969-1.372)0.109
WMR0.548(0.339-0.885)0.0140.775(0.478-1.256)0.01
LVEF0.966(0.949-0.983)<0.0010.988(0.968-1.009)0.266
GRACE1.019(1.012-1.026)<0.0011.006(0.996-1.017)0.228
RSS1.087(1.064-1.11)<0.0011.074(1.047-1.102)<0.001

CAD: coronary artery disease; CreCl: creatinine clearance; CRP: C-reactive protein; DM: diabetes mellitus; Hb: hemoglobin; HbA1C: hemoglobin A1C; HL: hyperlipidemia; HT: hypertension; LVEF: left ventricular ejection fraction; MPV: mean platelet volume; PLT: platelet; RSS: residual SYNTAX score; WBC: white blood cell; WMR: white blood cell count to mean platelet volume. Bold data are with statistical significance.