Flow chart showing selection of chest radiographs for the separate analyses.

<p>Fig 1 footnote: * Of 232 CXRs with agreement between the two primary readers, the arbitration panel agreed with the primary readers (on all radiological criteria) in 181 and there was at least one disagreement between primary readers and the arbitration panel in 51. For RCP, there was agreement between primary readers and the arbitration panel in 219; in 13 radiographs the arbitration panel found RCP but the primary readers did not.