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Fig. 6 | Breast Cancer Research

Fig. 6

From: Evaluating the effectiveness of abbreviated breast MRI (abMRI) interpretation training for mammogram readers: a multi-centre study assessing diagnostic performance, using an enriched dataset

Fig. 6

Per-lesion analysis demonstrated graphically as a jackknife alternative free-response receiver operator characteristics (JAFROC) curve There were 58 biopsy-confirmed cancer lesions in the dataset, equating to a total of 2146 decisions made by the 37 readers. The LLF was overall was 83% (1783/2146); 86% (847/986) for the Group 1 readers and 81% (936/1160) for the Group 2 readers. The reader-averaged weighted JAFROC FOM was 0.93 (95%CI 0.92–0.94) overall. The reader-averaged weighted JAFROC FOM for Group 1 readers of 0.95 (95%CI 0.95–0.96) was significantly higher than for Group 2 (0.91; 95%CI 0.89–0.93); p = 0.004

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