Reader Study Spreadsheet Sequential Studies
Study (First Author) # Patients # Readers # Cancers # Patients Recalled WITHOUT CAD # Patients Recalled WITH CAD # Masses detected WITHOUT CAD # Masses detected WITH CAD # Calcs detected WITHOUT CAD # Calcs detected WITH CAD # of Additional CAD detected Calc cases that were DCIS Stat Significant change sensitivity Standalone CAD Sensitivity Masses Standalone CAD Sensitivity Calcs FP Marks per patient
Freer 12,860 2 49 830 986 26 27 15 22 6 NO 67% 100% 2.8
Helvie* 2389 13 11 344 378 7 7 3 4 1 NO 83% 100%
Birdwell 8682 7 29 15 17 12 12 0 NO 71% 92% 2
Morton 21,349 12 105 2101 2300 79 82 26 31 5 NO 67% 100% 2.8
Dean** 5631 1 35 3.2
Ko 5016 2 48^ 602 702 27 27 16 18 2 NO 67% 100% 4
* Non-Commercial CAD Device
^ 3 cancers were deteced at one year followup
9 of 10 cases of architectural distortion were detected without CAD and are included in the mass totals
** The Dean study included both screening and diagnostic patients. The data was not all clearly reported separate for the two groups.
Dean noted that the four additional cancers in the screening group detected by CAD were marked by Calcification marks and two were DCIS.