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Table 2 Methodology for assigning letter grades to medical schools’ COI policies

From: The updated AMSA scorecard of conflict-of-interest policies: a survey of U.S. medical schools

Letter grade Description Percentage score Corresponding raw score
A For a school to achieve this grade, at least half (7 of 14) of its COI policies were rated as excellent. ≥ 85 % ≥ 35
B Up to 6 COI policies were excellent. ≥ 72 %. 28–34
C Up to half of policies were poor or absent. ≥ 56 % 20–27
I More than half of policies were poor or absent. ≤ 54 % ≤ 19