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Figure 2 | BMC Medical Education

Figure 2

From: Can American College of Radiology in-training examination scores be used to predict Canadian radiology licensing examination results? A retrospective study

Figure 2

In selecting a threshold American College of Radiology (ACR) score, we chose to minimize the proportion of failed students with ACR scores above the threshold (ie minimize false positive rate or 1 – Specificity). In PGY 4, the maximum sensitivity (proportion of residents with ACR scores above the threshold who passed their exam, or true positive rate) at this false positive rate occurred at point (c). This correlated to an ACR threshold percentile score of 63. In PGY 5, the maximum sensitivity occurred at point (d), which correlated to a percentile score of 47.

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