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Table 3 Same effect model of the recurrent MI events in the LIPID study

From: Semi-parametric risk prediction models for recurrent cardiovascular events in the LIPID study

Risk factor Hazard ratio 95% CI P-value
Age (year) 1.02 1.01 - 1.03 <0.001
Smoking status    
   Non-smoker 1.0   
   Current smoker 1.51 1.20 - 1.90 <0.001
Total cholesterol 1.19 1.09 - 1.30 <0.001
HDL cholesterol 0.38 0.26 - 0.54 <0.001
Qualifying event for ACS    
   Unstable angina 1.0   
   Single MI 1.29 1.06 - 1.57 0.01
   Multiple MI 1.98 1.57 - 2.50 <0.001
Revascularization    
   Never 1.0   
   Before ACS 1.59 1.26 - 2.01 <0.001
   Since ACS 0.70 0.58 - 0.85 <0.001
History of stroke    
   No 1.0   
   Yes 1.47 1.09 - 1.99 0.01
Diabetes mellitus    
   No 1.0   
   Yes 1.37 1.08 - 1.72 0.009
Angina grade    
   CCVS < III 1.0   
   CCVS ≥ III 1.45 1.15 - 1.82 0.001
Treatment    
   Placebo 1.0   
   Pravastatin 0.71 0.61 - 0.83 <0.001
  1. ACS = Acute Coronary Syndrome; CCVS = Canadian Cardiovascular Society Class of angina; HDL = High Density Lipoprotein; MI = Myocardial Infarction.