New Zealand Cardiovascular Risk Calculator - …

1 Cells with this marker ( ) indicate that in patients with very high levels of total cholesterol (> about 9 mmol/L) or blood pressure (> about 170/100 mmHg), the risk equations may underestimate the true risk.* Assumes that cholesterol reduction of about 20% in patients with total cholesterol > mmol/L or blood pressure reduction of about 12/6 mmHg in patients with BP > 140 150/90 mmHg produces an approximate 30% reduction in Cardiovascular disease risk, whatever the pretreatment absolute level5 year Cardiovascular risk(non-fatal and fatal)BenefitCardiovascular events preventedper 100 treated for 5 years*BenefitNumber needed to treat for5 years to prevent 1 event*>30%25-30%20-25%15-20%10-15%5-10% < highHighModerateMild>10 < <10111316254080>120 New Zealand Cardiovascular Risk Calculator reproduced with permission from the New Zealand Guidelines Group180/105 Age 70 Age 60 Age 50 Age 40160/95140/85120/75180/105160/95140/851 20/75180/105160/95140/85120/75180/105160 /95140/85120/7545678456784567845678 Blood pressure (mmHg)

2 180/105160/95140/85120/75180/105160/9514 0/85120/75180/105160/95140/85120/75180/1 05160/95140/85120/75 Blood pressure (mmHg)45678456784567845678 Ratio of total cholesterol:HDL cholesterolRatio of total cholesterol:HDL cholesterolNon-smokerSmokerNon-smokerNo diabetesDiabetesSmokerRatio of total cholesterol:HDL cholesterolRatio of total cholesterol:HDL cholesterolAge 70 Age 60 Age 50 Age 40 Ratio of total cholesterol:HDL cholesterolRatio of total cholesterol:HDL cholesterol45678456784567845678180/10516 0/95140/85120/75180/105160/95140/85120/7 5180/105160/95140/85120/75180/105160/951 40/85120/75180/105160/95140/85120/75180/ 105160/95140/85120/75180/105160/95140/85 120/75180/105160/95140/85120/75 Blood pressure (mmHg)Blood pressure (mmHg)45678456784567845678 Non-smokerSmokerNon-smokerNo diabetesDiabetesSmokerRatio of total cholesterol:HDL cholesterolRatio of total cholesterol:HDL cholesterolMenWomenNew Zealand Cardiovascular Risk CalculatorAssessment of absolute risk of a Cardiovascular eventHow to use the risk Calculator Find the colour block which best describesyour patient s:genderage (mean for that category, age60 represents 55 64 years)smoking status ( regular dailycigarette smoking or having stopped inthe previous 12 months)diabetes status ( on insulin, oral antidiabetic drugs or with a laboratorymeasurement of fasting plasma glucose> mmol/L) blood pressure (mean of two readingson two occasions)total cholesterol/high-densitylipoprotein cholesterol (HDL-C) colour estimates a patient s absolutefive-year risk of a Cardiovascular event.

3 Newly diagnosed anginamyocardial infarctioncoronary heart disease deathstroketransient ischaemic For age > 75 years, the absolute risk ofcardiovascular disease (CVD) is > 15% in nearly all The estimated risk of CVD is not precise and is presented as a range with interpolation required between Very high risk patientsAll patients with symptomaticcardiovascular disease* orelectrocardiogram diagnosed leftventricular hypertrophy are assumed tohave a Cardiovascular disease risk ofgreater than 20% in five years.* Symptomatic Cardiovascular disease includesangina, myocardial infarction, congestive heartfailure, stroke, transient ischaemic attack andperipheral vascular risk is underestimated4. Patients with a strong family history of CVD ( first-degree relatives: maleswith CVD before 55 years, females withCVD before 65 years) are likely to be atgreater risk than the tables indicate: consider increasing one colour Obese patients with a BMI of 30 kg/m2or more are likely to be at greater riskthan the tables indicate:consider increasing one colour In patients with very high levels of totalcholesterol ( > about 9 mmol/L ) orblood pressure ( > about 170/100 mmHg )the risk equations may underestimatethe true more information on the New Zealand Guidelines Group, visit their website at 082 034 393 Level 1/31 Buckingham Street, Surry Hills 2010 Phone: 02 9699 4499 lFax: 02 9699 5155 lemail: lweb.