In patients who have had a myocardial infarction or revascularization procedure, secondary prevention of coronary artery disease by comprehensive risk factor modification reduces mortality, decreases subsequent cardiac events, and improves quality of life.oronary artery disease (CAD) is the leading cause of death in the United States, with more than 1 million new and recurrent cardiovascular events occurring each year, and its prevalence and impact are expected to grow.
ratio level measurement the highest form of measurement that meets all the rules of other forms of measure; it includes mutually exclusive categories, exhaustive categories, rank ordering, equal spacing between intervals, and a continuum of values. Ratio level measurement also includes a value of zero.
Details. Ratio: In simple mathematics, relationship or comparison between two more numbers is known as ratios. Ratios are normally written as : to show the connection between two numbers, for instance.If there are 2 red balls and 3 blue ball on the table you could write there ratio as: [2:3].Unfortunately there is no systematic way to calculate ratio, but there is an easy way around for doing the same, you can try the below formulas to calculate ratio in Excel.ROUND function in excel is used to trim down (reduce) a given value to a specific number of decimal places.f there are 2 red balls and 3 blue ball on the table you could write there ratio as: [2:3]. Unfortunately there is no systematic way to calculate ratio, but there is an easy way around for doing the same, you can try the below formulas to calculate ratio in Excel.