Fig. 5

Examination-level scores for the negative and positive cohorts. a Mean anomaly score and standard deviation for positive examinations (future lesion: Yes) and negative examinations (future lesion: No). b Swarm plot displaying individual subject scores. The color indicates if one of the studies used to calculate the inter-visit difference image was acquired in Period 1 in which a different protocol and scanner were in use than in Periods 2 and 3, showing that a substantial portion of false positives falls into this category