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Table 4 Univariate and multivariate Cox proportional hazards analyses of risk factors for cardiovascular events

From: Prognostic significance of endothelial dysfunction in patients undergoing percutaneous coronary intervention in the era of drug-eluting stents

  Univariate analysis Multivariate analysis
  Relative risk 95 % Confidential interval p Relative risk 95 % Confidential interval p
Age >60 years 0.83 0.29–2.39 0.74    
Male 1.07 0.44–2.60 0.88    
Diabetes mellitus 1.53 0.76–3.062 0.23    
Hypertension 0.95 0.45–2.00 0.89    
Dyslipidemia 1.10 0.52–2.31 0.81    
Current smoking 1.32 0.64–2.71 0.45    
Chronic renal insufficiency 0.62 0.31–1.27 0.19    
Previous PCI 0.75 0.290–1.95 0.55    
Previous myocardial infarction 0.04 0.00–11.78 0.27    
LAD vs LCx/RCA 1.03 0.53–2.02 0.93    
Stent diameter <3.0 mm 1.33 0.66–2.67 0.43    
Stented segment length > 15mm 1.00 0.49–2.06 1.00    
Aspirin 21.14 0.00–159472.77 0.50    
Clopidogrel 1.38 0.48–3.93 0.55    
ACE inhibitor / ARB 0.98 0.42–2.26 0.98    
Statins 1.28 0.30–5.37 0.74    
β-blockers 0.50 0.25–1.00 0.05 0.56 0.28–1.13 0.11
FMD <4.2 % 2.60 1.24–5.46 0.01 2.40 1.14–5.06 0.02
  1. PCI Percutaneous coronary intervention, LAD Left anterior descending coronary artery, LCx Left circumflex coronary artery, RCA Right coronary artery, ACE Angiotensin-converting enzyme, ARB Angiotensin II receptor blocker, FMD Flow-mediated dilation