What Is Absolute Cardiovascular Risk?
Absolute cardiovascular risk is an estimate of a person’s likelihood of experiencing a cardiovascular event over a defined period. Rather than looking at a single number, such as blood pressure or cholesterol, it combines several risk factors to provide a more complete picture of future risk.
In Australia, the current assessment generally estimates five-year cardiovascular disease risk. The result helps a GP discuss prevention and guide follow-up rather than predicting exactly what will happen to any individual.
Key Takeaways
- Absolute cardiovascular risk considers multiple risk factors together, not just one.
- The current Australian calculator estimates five-year cardiovascular disease risk.
- Risk categories are low, intermediate or high.
- A higher percentage does not mean a cardiovascular event will definitely happen.
- A GP can use the result to discuss prevention and appropriate next steps
What Does Absolute Cardiovascular Risk Mean?
Absolute cardiovascular risk uses a combination of factors to estimate the chance of a cardiovascular event over a defined period.
Looking at blood pressure or cholesterol alone can be misleading. Several moderately raised risk factors can combine to produce a more meaningful overall risk than any single number considered by itself. This is why Australian cardiovascular risk assessment considers multiple factors together rather than relying on one reading.
The percentage shows estimated future risk. It does not predict exactly what will happen to one person. It reflects a statistical pattern across a group of people with a similar risk profile, not a guarantee about what will happen to one person.
How Is Cardiovascular Risk Calculated in Australia?
The current Australian CVD Risk Calculator, developed alongside the 2023 guideline, estimates a person’s five-year cardiovascular disease risk using several variables including:
- Age
- Sex at birth
- Smoking status
- Systolic blood pressure
- Total cholesterol-to-HDL cholesterol ratio
- Use of relevant cardiovascular medicines
The calculator also incorporates additional information in particular situations. For people with diabetes, diabetes-specific factors are included. Optional factors such as socioeconomic disadvantage and atrial fibrillation may also be considered. Family history and other individual clinical factors remain important when a GP interprets the overall picture.
Blood tests for cholesterol, blood glucose and related markers can be arranged through pathology collection, with results reviewed by the requesting GP.
Do not attempt to calculate your own risk accurately without clinical input, because several variables require a GP assessment.
What Does Your Cardiovascular Risk Percentage Mean?
Under the current Australian guideline, five-year CVD risk is grouped into three categories:
| Estimated 5-year CVD risk | Category |
| Less than 5% | Low risk |
| 5% to less than 10% | Intermediate risk |
| 10% or higher | High risk |
To understand what a percentage means in practical terms: if your result is 7%, it means that out of 100 people with a similar risk profile, around seven would be expected to have a cardiovascular event over five years. It does not mean that you personally have a 7% certainty of having a heart attack or stroke.
Risk categories guide clinical discussion, not individual outcomes. Your GP considers the result alongside your health history and individual circumstances.
Who Should Have Their Cardiovascular Risk Assessed?
Current Australian guidance recommends formal CVD risk assessment for people without known cardiovascular disease:
- Adults aged 45 to 79
- People with diabetes aged 35 to 79
- Aboriginal and Torres Strait Islander peoples aged 30 to 79
- Individual cardiovascular risk factors should also be assessed for First Nations adults from age 18
People who already have established cardiovascular disease, such as a prior heart attack or stroke, are generally managed differently, and the calculator is primarily designed for primary prevention.
If you are unsure whether a preventive health assessment applies to your age or circumstances, a GP can advise based on your individual risk factors and medical history.
If you are unsure about your cardiovascular risk, a GP can review factors such as blood pressure, cholesterol, diabetes, smoking and medical history and discuss whether formal risk assessment is appropriate.
What Is a Heart Health Check?
A Heart Health Check is a GP assessment for people without established cardiovascular disease that reviews risk factors and helps develop a prevention plan. It is the patient-facing term used for comprehensive CVD risk assessment in Australian general practice.
A Heart Health Check may include review of blood pressure, cholesterol, smoking status, diabetes risk, family history and other relevant health information. The GP uses this information to estimate cardiovascular risk and discuss appropriate prevention.
Patients can read more about Heart Health Checks from the Heart Foundation. This is the only external link included in the body of this article.
Heart Health Check Medicare items currently exist for eligible patients. Whether there is an out-of-pocket cost depends on each practice’s billing arrangements. Cameron Park Healthcare is a mixed-billing practice, so confirm current fees when booking.
What Happens If Your Cardiovascular Risk Is High?
A high-risk result does not mean a cardiovascular event is certain. It means the estimated probability is higher than average and that prevention is worth discussing more actively.
Depending on the result and your overall health, a GP may discuss:
- Blood-pressure management
- Cholesterol treatment
- Smoking cessation support
- Physical activity and nutrition
- Diabetes care and ongoing chronic disease management
- Medicines where clinically appropriate
- Follow-up testing or reassessment
Treatment decisions are individual. Not every person with a high result needs the same management, and not every person needs medication. A GP works through the options based on your full clinical picture.
Can Your Cardiovascular Risk Change?
Yes. Some risk factors cannot be changed, such as age and family history. Others may be influenced through lifestyle and clinical management, including smoking cessation, blood-pressure control, cholesterol management, physical activity and diabetes care.
Modifiable changes may shift a person’s estimated risk over time, though improvement is individual and depends on the specific risk factors involved.
Cardiovascular Risk Assessment in Cameron Park
Cameron Park Healthcare provides general medicine and preventive health assessments where a GP can review cardiovascular risk factors and discuss appropriate assessment options.
Adults in Cameron Park who want to discuss cardiovascular risk factors can book a GP appointment to review appropriate preventive health options.
FAQs
What does a 5% cardiovascular risk mean?
It means that among 100 people with a similar risk profile, approximately five would be expected to have a cardiovascular event over five years. It is an estimate of statistical probability, not a prediction about what will definitely happen to you.
What is considered high cardiovascular risk in Australia?
Under the current Australian guideline, 10% or greater estimated five-year CVD risk is classified as high. Five per cent to less than 10% is intermediate, and less than 5% is low.
Can you have high cardiovascular risk if your cholesterol is normal?
Yes. Overall CVD risk depends on the combined effect of multiple factors. Age, blood pressure, smoking, diabetes and other variables all contribute, so cholesterol should not be interpreted in isolation.
Does Medicare cover a Heart Health Check?
Medicare rebates may be available for eligible patients. Costs depend on the practice’s billing arrangements. Whether there is an out-of-pocket cost depends on the practice’s billing arrangements. Cameron Park Healthcare is a mixed-billing practice, so check current consultation fees when booking.