Clinical Evaluation of the Appropriateness Use Criteria for Single-Photon Emission-Computed Tomography: Differences by Patient Population, Physician Specialty, and Patient Outcomes
Figure 2
Appropriateness of SPECT by (a) symptoms and (b) pretest likelihood of disease ((a), (b): ). Symptoms refer to chest pain or anginal equivalent. Pretest likelihood: low, intermediate, or high based on age, gender, and symptoms. A, appropriate (green); U, uncertain (gold); I, inappropriate (red). Number of patients is shown next to the corresponding symbols for each of the appropriateness designations. Percent within each category is reflected on the horizontal axis.
