Identifying Predictor Variables for a Future Clinical Decision Rule for Ordering of Chest X‐Rays ( <scp>CXR</scp> ) for Non‐Traumatic Chest Pain in Adult Emergency Department ( <scp>ED</scp> ) Patients

In this study, only an abnormal lung examination, a suspicion of pneumonia or of acute pulmonary oedema had perfect inter-rater agreement and reliability. Further research is required on a larger scale to refine and identify the optimal candidate variables for inclusion in a clinical decision rule.