Which risk prediction tool is NOT used to identify heart failure patients at higher risk for readmission?

The FRAX score is primarily designed to assess fracture risk in patients with osteoporosis rather than to evaluate heart failure or predict readmission risks for heart failure patients. It incorporates clinical risk factors and bone mineral density measurements to estimate the likelihood of major osteoporotic fractures, specifically focusing on osteoporosis management.

On the other hand, tools like the ADHERE classification, OPTIMIZE-HF risk prediction nomogram, and AHA GWTG score are specifically tailored for heart failure. The ADHERE classification helps identify patients at risk for readmission based on a variety of clinical parameters, including demographics and clinical history. The OPTIMIZE-HF tool utilizes data from the Get With The Guidelines-Heart Failure registry to assist in predicting risk factors associated with adverse outcomes in heart failure patients. Similarly, the AHA GWTG score applies clinical data to evaluate the quality of care and outcomes in heart failure, including readmission rates.

Therefore, the reason the FRAX score is not applicable here is that it does not pertain to heart failure risk assessment or readmission prediction, which is the focus of the other tools mentioned.