Method: MedicineInsight is a large-scale national GP data program extracting and collating longitudinal, de-identified patient health records from clinical information systems. The population was restricted to individuals; without prior CVD, aged 45-74 years, with a minimum of 3 visits in the prior 12 months (n=172,366).
Results: Of this population; 65% had a TC:HDL ratio recorded, 85% had a systolic blood pressure (SBP) measurement, and 59% had both, within an appropriate time frame. When individuals were assessed against clinically determined high risk criteria; 6% of patients had a TC greater than 7.5 mmol/L, 5.4% had a SBP above 180 mmHg and 0.3% had an eGFR of 45 mL/min or less. Diabetics with microalbuminuria, or aged 60 years and older, made up 4 and 7.3% of the population respectively. Overall, 18.5% of individuals would be classified as clinically determined high risk based on recorded data.
Discussion: A substantial proportion of eligible individuals do not have sufficient CVD risk factor data recorded to enable formal risk screening. A significant number of patients may not require a full absolute CVD risk assessment and should be automatically classified and managed as high risk.
Implications for practice: Overall, a significant number of Australians may be at clinically determined high risk and should be automatically managed with appropriate therapy.