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Table 3 Univariate and multivariate cox proportional hazards analysis for all-cause mortality

From: Prognostic value of rising mean platelet volume during hospitalization in patients with ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention

Variables Univariate Multivariate
HR (95% CI) P-value HR (95% CI) P-value
Age (year) 1.062 (1.045–1.080) < 0.001 1.049 (1.030.0010–1.069) < 0.001
Gender (Male) 0.581 (0.391–0.864) 0.007
History of stroke/TIA 4.263 (2.149–8.457) < 0.001 2.398 (1.148–5.009) 0.020
History of DM 1.690 (1.138–2.510) 0.009
History of CAD 1.695 (1.162–2.473) 0.053
History of HT 1.538 (0.995–2.377) 0.006
IRA 0.987 (0.823–1.183) 0.888
Multi-vessel disease 2.001 (1.372–2.915) < 0.001
Killip ≥2 3.619 (2.228–5.180) < 0.001 2.791 (1.597–4.876) <  0.001
LVEF (%) 0.957 (0.938–0.977) < 0.001 0.966 (0.945–0.989) 0.003
Hemoglobin (g/dl) 0.832 (0.763–0.907) < 0.001
ΔMPV (fL) 1.428 (1.210–1.685) < 0.001 1.301 (1.070–1.582) 0.008
Serum creatinine (mg/dl) 1.235 (1.091–1.397) 0.001
Statin usage at discharge 0.413 (0.275–0.619) <  0.001
Beta-blocker usage at discharge 0.496 (0.326–0.756) 0.001
ACE/ARB usage at discharge 0.239 (0.118–0.484) < 0.001
  1. Abbreviations: HR hazard ratio, CI confidence interval, TIA transient ischemic attack, DM diabetes mellitus, LVEF Left ventricular ejection fraction, HT hypertension, CAD coronary artery disease, ΔMPV, change in mean platelet volüme, ACE angiotensin-converting enzyme, ARB angiotensin receptor blockers, IRA: infarct related artery