INTERCHEST PREDICTION RULE
Approximately 98% of patients with a score of 1 or less will not have CAD, approximately 43% of patients with a score of 2 or more will have CAD.
International Working Group on Chest Pain in Primary Care (INTERCHEST). Pooled individual patient data from five countries were used to derive a clinical prediction rule for coronary artery disease in primary care. J Clin Epidemiol. 2017 Jan;81:120-128. doi: 10.1016/j.jclinepi.2016.09.011. https://www.ncbi.nlm.nih.gov/pubmed/27773828