Performance of a clinical decision rule where those with a 10% or greater 10-year cardiovascular risk are considered positive for CVD (ie, at a high enough risk to require treatment, such as with statins): Glaswegian women in SHHEC
| Truth | |||
|---|---|---|---|
| Clinical decision rule | CVD | No CVD | Total |
| Treat (risk ≥10%) | 124 (62%) | 584 | 708 |
| Do not treat (risk <10%) | 76 | 1517 (72%) | 1593 |
| Total | 200 | 2101 | 2301 |
Risk was estimated from a logistic regression model, including age, systolic blood pressure, total and high-density lipoprotein-cholesterol, diabetes and smoking status.
Sensitivity (true positive frequency)=124/200=0.620% or 62.0%.
Specificity (true negative frequency)=1517/2101=0.722% or 72.2%.
Note: This ignores censoring and bias from self-testing.
CVD, cardiovascular disease; SHHEC, Scottish Heart Health Extended Cohort.